22656492 has 36 divisors (see below), whose sum is σ = 57415176. Its totient is φ = 7533120.

The previous prime is 22656467. The next prime is 22656503. The reversal of 22656492 is 29465622.

22656492 is a `hidden beast` number, since 2 + 2 + 6 + 5 + 649 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26983 + ... + 27809.

It is an arithmetic number, because the mean of its divisors is an integer number (1594866).

Almost surely, 2^22656492 is an apocalyptic number.

It is an amenable number.

22656492 is an abundant number, since it is smaller than the sum of its proper divisors (34758684).

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

22656492 is a wasteful number, since it uses less digits than its factorization.

22656492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1598 (or 1593 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 22656492 is about 4759.8836120225. The cubic root of 22656492 is about 282.9638064648.

The spelling of 22656492 in words is "twenty-two million, six hundred fifty-six thousand, four hundred ninety-two".