Michelle Obama’s memoir is a huge bestseller.

“Becoming” was released on November 13, but its publisher, Crown Publishing, announced on Friday the book has sold a whopping two million copies in combined hardcover, e-book and audio sales in America and Canada.

The book has a total of 3.4 million copies in print.

To put those sales in perspective — let’s take a look at some other recent memoirs by former presidents and former first ladies.

Hillary Clinton’s “What Happened” took a month to even sell a million copies.

George W. Bush’s “Decision Points” took several weeks to hit two million.

Bill Clinton’s “My Life” sold one million copies rather quickly — but then took many more weeks to hit the two million mark.

“Becoming,” meanwhile, has been out for a mere 15 days.

Michelle Obama’s book has almost certainly benefited from scads of extra media attention as her promotional book tour has teamed her up with guests like Oprah Winfrey and Reese Witherspoon.

Tickets to that promotional tour can run incredibly high.

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Michelle Obama does many of her promotional events in arenas that can sit over 10,000 people.

Nosebleed seats to such an event can go for under $30 — but some may be paying as much as $3,000 to get decent seats and a brief meeting with the former first lady.

Take out the meeting — and people are still paying $500 for front-row seats.

Much of the pre-publicity buzz surrounding Obama’s book was connected to her direct attacks on President Donald Trump in certain parts of the book, something not common for an outgoing president or first lady to do in a memoir released during the next administration’s time in the White House.

Mrs. Obama reportedly attacked Trump for his controversial comments about Barack Obama’s birth certificate.

“The whole thing was crazy and mean-spirited, of course, its underlying bigotry and xenophobia hardly concealed,” she said about the “birther” movement.

She continued, “But it was also dangerous, deliberately meant to stir up the wingnuts and kooks … What if someone with an unstable mind loaded a gun and drove to Washington?”

Obama added specifically about Trump, “What if that person went looking for our girls? Donald Trump, with his loud and reckless innuendos, was putting my family’s safety at risk. And for this I’d never forgive him.”

The president himself responded to those comments when talking to the press recently.

“I haven’t seen that. I guess she wrote a book,” said Trump. “She got paid a lot of money to write a book and they always insist that you come up with a little [controversy]. I’ll give you a little controversy back. I’ll never forgive him [Barack Obama] for what he did to our United States military. By not funding it properly, it was depleted.”

For more on Michelle Obama, check out the video below: