22623656 has 32 divisors (see below), whose sum is σ = 46478880. Its totient is φ = 10238400.

The previous prime is 22623637. The next prime is 22623659. The reversal of 22623656 is 65632622.

It is not an unprimeable number, because it can be changed into a prime (22623659) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27491 + ... + 28301.

It is an arithmetic number, because the mean of its divisors is an integer number (1452465).

Almost surely, 2^22623656 is an apocalyptic number.

It is an amenable number.

22623656 is an abundant number, since it is smaller than the sum of its proper divisors (23855224).

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

22623656 is a wasteful number, since it uses less digits than its factorization.

22623656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145 (or 1141 counting only the distinct ones).

The product of its digits is 25920, while the sum is 32.

The square root of 22623656 is about 4756.4331173685. The cubic root of 22623656 is about 282.8270407814.

The spelling of 22623656 in words is "twenty-two million, six hundred twenty-three thousand, six hundred fifty-six".