22904216 has 16 divisors (see below), whose sum is σ = 43054200. Its totient is φ = 11423104.

The previous prime is 22904197. The next prime is 22904227. The reversal of 22904216 is 61240922.

It is a super-2 number, since 2×22904216² = 1049206221149312, which contains 22 as substring.

It is a congruent number.

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, 65 + ... + 6768.

Almost surely, 2^22904216 is an apocalyptic number.

It is an amenable number.

22904216 is a deficient number, since it is larger than the sum of its proper divisors (20149984).

22904216 is a wasteful number, since it uses less digits than its factorization.

22904216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7258 (or 7254 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 22904216 is about 4785.8349323812. The cubic root of 22904216 is about 283.9913704976.

The spelling of 22904216 in words is "twenty-two million, nine hundred four thousand, two hundred sixteen".