22438536 has 16 divisors (see below), whose sum is σ = 56096400. Its totient is φ = 7479504.

The previous prime is 22438511. The next prime is 22438553. The reversal of 22438536 is 63583422.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22438497 and 22438506.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 467446 + ... + 467493.

It is an arithmetic number, because the mean of its divisors is an integer number (3506025).

Almost surely, 2^22438536 is an apocalyptic number.

It is an amenable number.

22438536 is an abundant number, since it is smaller than the sum of its proper divisors (33657864).

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

22438536 is a wasteful number, since it uses less digits than its factorization.

22438536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934948 (or 934944 counting only the distinct ones).

The product of its digits is 34560, while the sum is 33.

The square root of 22438536 is about 4736.9331850893. The cubic root of 22438536 is about 282.0535082811.

The spelling of 22438536 in words is "twenty-two million, four hundred thirty-eight thousand, five hundred thirty-six".