22740656 has 10 divisors (see below), whose sum is σ = 44060052. Its totient is φ = 11370320.

The previous prime is 22740647. The next prime is 22740667. The reversal of 22740656 is 65604722.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710630 + ... + 710661.

Almost surely, 2^22740656 is an apocalyptic number.

It is an amenable number.

22740656 is a deficient number, since it is larger than the sum of its proper divisors (21319396).

22740656 is a wasteful number, since it uses less digits than its factorization.

22740656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1421299 (or 1421293 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 22740656 is about 4768.7163891345. The cubic root of 22740656 is about 283.3137567404.

The spelling of 22740656 in words is "twenty-two million, seven hundred forty thousand, six hundred fifty-six".