22344918 has 16 divisors (see below), whose sum is σ = 45780336. Its totient is φ = 7266560.

The previous prime is 22344901. The next prime is 22344941. The reversal of 22344918 is 81944322.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 45171 + ... + 45662.

It is an arithmetic number, because the mean of its divisors is an integer number (2861271).

Almost surely, 2^22344918 is an apocalyptic number.

22344918 is an abundant number, since it is smaller than the sum of its proper divisors (23435418).

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

22344918 is a wasteful number, since it uses less digits than its factorization.

22344918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90879.

The product of its digits is 13824, while the sum is 33.

The square root of 22344918 is about 4727.0411464255. The cubic root of 22344918 is about 281.6607005183.

The spelling of 22344918 in words is "twenty-two million, three hundred forty-four thousand, nine hundred eighteen".