22938816 has 56 divisors (see below), whose sum is σ = 62351920. Its totient is φ = 7437312.

The previous prime is 22938781. The next prime is 22938829. The reversal of 22938816 is 61883922.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5490 + ... + 8718.

Almost surely, 2^22938816 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 22938816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31175960).

22938816 is an abundant number, since it is smaller than the sum of its proper divisors (39413104).

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

22938816 is a wasteful number, since it uses less digits than its factorization.

22938816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3281 (or 3271 counting only the distinct ones).

The product of its digits is 41472, while the sum is 39.

The square root of 22938816 is about 4789.4484024781. The cubic root of 22938816 is about 284.1343013546.

The spelling of 22938816 in words is "twenty-two million, nine hundred thirty-eight thousand, eight hundred sixteen".