22738156 has 24 divisors (see below), whose sum is σ = 46407200. Its totient is φ = 9744336.

The previous prime is 22738151. The next prime is 22738169. The reversal of 22738156 is 65183722.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22738151) 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, 6915 + ... + 9658.

Almost surely, 2^22738156 is an apocalyptic number.

It is an amenable number.

22738156 is an abundant number, since it is smaller than the sum of its proper divisors (23669044).

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

22738156 is a wasteful number, since it uses less digits than its factorization.

22738156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16598 (or 16582 counting only the distinct ones).

The product of its digits is 20160, while the sum is 34.

The square root of 22738156 is about 4768.4542568845. The cubic root of 22738156 is about 283.3033743025.

It can be divided in two parts, 227 and 38156, that added together give a palindrome (38383).

The spelling of 22738156 in words is "twenty-two million, seven hundred thirty-eight thousand, one hundred fifty-six".