22916404 has 24 divisors (see below), whose sum is σ = 46267200. Its totient is φ = 9728256.

The previous prime is 22916389. The next prime is 22916423. The reversal of 22916404 is 40461922.

22916404 = 612² + 613² + ... + 667².

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent 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, 829 + ... + 6820.

It is an arithmetic number, because the mean of its divisors is an integer number (1927800).

Almost surely, 2^22916404 is an apocalyptic number.

It is an amenable number.

22916404 is an abundant number, since it is smaller than the sum of its proper divisors (23350796).

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

22916404 is a wasteful number, since it uses less digits than its factorization.

22916404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7767 (or 7765 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 22916404 is about 4787.1081040645. The cubic root of 22916404 is about 284.0417349233.

The spelling of 22916404 in words is "twenty-two million, nine hundred sixteen thousand, four hundred four".