22740522 has 32 divisors (see below), whose sum is σ = 52697472. Its totient is φ = 6407424.

The previous prime is 22740521. The next prime is 22740541. The reversal of 22740522 is 22504722.

It is a junction number, because it is equal to n+sod(n) for n = 22740492 and 22740501.

It is not an unprimeable number, because it can be changed into a prime (22740521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 643 + ... + 6774.

It is an arithmetic number, because the mean of its divisors is an integer number (1646796).

Almost surely, 2^22740522 is an apocalyptic number.

22740522 is an abundant number, since it is smaller than the sum of its proper divisors (29956950).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22740522 is a wasteful number, since it uses less digits than its factorization.

22740522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7502.

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 22740522 is about 4768.7023392114. The cubic root of 22740522 is about 283.3132002611.

The spelling of 22740522 in words is "twenty-two million, seven hundred forty thousand, five hundred twenty-two".