22156876 has 12 divisors (see below), whose sum is σ = 44313808. Its totient is φ = 9495792.

The previous prime is 22156867. The next prime is 22156877. The reversal of 22156876 is 67865122.

It is a happy number.

22156876 is an admirable number.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22156877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 395631 + ... + 395686.

Almost surely, 2^22156876 is an apocalyptic number.

It is an amenable number.

22156876 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22156876 is a wasteful number, since it uses less digits than its factorization.

22156876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791328 (or 791326 counting only the distinct ones).

The product of its digits is 40320, while the sum is 37.

The square root of 22156876 is about 4707.1090915763. The cubic root of 22156876 is about 280.8683755158.

It can be divided in two parts, 22156 and 876, that added together give a palindrome (23032).

The spelling of 22156876 in words is "twenty-two million, one hundred fifty-six thousand, eight hundred seventy-six".