22916730 has 32 divisors (see below), whose sum is σ = 56173824. Its totient is φ = 5980736.

The previous prime is 22916713. The next prime is 22916767. The reversal of 22916730 is 3761922.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6717 + ... + 9536.

It is an arithmetic number, because the mean of its divisors is an integer number (1755432).

Almost surely, 2^22916730 is an apocalyptic number.

22916730 is an abundant number, since it is smaller than the sum of its proper divisors (33257094).

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

22916730 is a wasteful number, since it uses less digits than its factorization.

22916730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16310.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 22916730 is about 4787.1421537280. The cubic root of 22916730 is about 284.0430818066.

The spelling of 22916730 in words is "twenty-two million, nine hundred sixteen thousand, seven hundred thirty".