22939216 has 30 divisors (see below), whose sum is σ = 45198062. Its totient is φ = 11278080.

The previous prime is 22939207. The next prime is 22939219. The reversal of 22939216 is 61293922.

It can be written as a sum of positive squares in 3 ways, for example, as 1742400 + 21196816 = 1320^2 + 4604^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22939219) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 126646 + ... + 126826.

Almost surely, 2^22939216 is an apocalyptic number.

It is an amenable number.

22939216 is a deficient number, since it is larger than the sum of its proper divisors (22258846).

22939216 is an equidigital number, since it uses as much as digits as its factorization.

22939216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367 (or 272 counting only the distinct ones).

The product of its digits is 11664, while the sum is 34.

The square root of 22939216 is about 4789.4901607582. The cubic root of 22939216 is about 284.1359528938.

The spelling of 22939216 in words is "twenty-two million, nine hundred thirty-nine thousand, two hundred sixteen".