22656964 has 24 divisors (see below), whose sum is σ = 43394400. Its totient is φ = 10265280.

The previous prime is 22656899. The next prime is 22656973. The reversal of 22656964 is 46965622.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17367 + ... + 18625.

It is an arithmetic number, because the mean of its divisors is an integer number (1808100).

Almost surely, 2^22656964 is an apocalyptic number.

It is an amenable number.

22656964 is a deficient number, since it is larger than the sum of its proper divisors (20737436).

22656964 is a wasteful number, since it uses less digits than its factorization.

22656964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1683 (or 1681 counting only the distinct ones).

The product of its digits is 155520, while the sum is 40.

The square root of 22656964 is about 4759.9331928085. The cubic root of 22656964 is about 282.9657714349.

It can be divided in two parts, 2265 and 6964, that added together give a palindrome (9229).

The spelling of 22656964 in words is "twenty-two million, six hundred fifty-six thousand, nine hundred sixty-four".