22656436 has 48 divisors (see below), whose sum is σ = 46710720. Its totient is φ = 9504000.

The previous prime is 22656401. The next prime is 22656451. The reversal of 22656436 is 63465622.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33946 + ... + 34606.

It is an arithmetic number, because the mean of its divisors is an integer number (973140).

Almost surely, 2^22656436 is an apocalyptic number.

It is an amenable number.

22656436 is an abundant number, since it is smaller than the sum of its proper divisors (24054284).

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

22656436 is a wasteful number, since it uses less digits than its factorization.

22656436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736 (or 734 counting only the distinct ones).

The product of its digits is 51840, while the sum is 34.

The square root of 22656436 is about 4759.8777295221. The cubic root of 22656436 is about 282.9635733310.

The spelling of 22656436 in words is "twenty-two million, six hundred fifty-six thousand, four hundred thirty-six".