22956136 has 32 divisors (see below), whose sum is σ = 49824000. Its totient is φ = 9711936.

The previous prime is 22956127. The next prime is 22956181. The reversal of 22956136 is 63165922.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1830 + ... + 7018.

It is an arithmetic number, because the mean of its divisors is an integer number (1557000).

Almost surely, 2^22956136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22956136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24912000).

22956136 is an abundant number, since it is smaller than the sum of its proper divisors (26867864).

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

22956136 is a wasteful number, since it uses less digits than its factorization.

22956136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5281 (or 5277 counting only the distinct ones).

The product of its digits is 19440, while the sum is 34.

The square root of 22956136 is about 4791.2562027093. The cubic root of 22956136 is about 284.2057954258.

It can be divided in two parts, 229 and 56136, that added together give a palindrome (56365).

The spelling of 22956136 in words is "twenty-two million, nine hundred fifty-six thousand, one hundred thirty-six".