22938828 has 24 divisors (see below), whose sum is σ = 58390080. Its totient is φ = 6951120.

The previous prime is 22938781. The next prime is 22938829. The reversal of 22938828 is 82883922.

It is a self number, because there is not a number n which added to its sum of digits gives 22938828.

It is not an unprimeable number, because it can be changed into a prime (22938829) by changing a digit.

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, 86758 + ... + 87021.

It is an arithmetic number, because the mean of its divisors is an integer number (2432920).

Almost surely, 2^22938828 is an apocalyptic number.

It is an amenable number.

22938828 is an abundant number, since it is smaller than the sum of its proper divisors (35451252).

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

22938828 is a wasteful number, since it uses less digits than its factorization.

22938828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173797 (or 173795 counting only the distinct ones).

The product of its digits is 110592, while the sum is 42.

The square root of 22938828 is about 4789.4496552318. The cubic root of 22938828 is about 284.1343509011.

The spelling of 22938828 in words is "twenty-two million, nine hundred thirty-eight thousand, eight hundred twenty-eight".