22439466 has 24 divisors (see below), whose sum is σ = 55564704. Its totient is φ = 6411240.

The previous prime is 22439429. The next prime is 22439489. The reversal of 22439466 is 66493422.

It is a self number, because there is not a number n which added to its sum of digits gives 22439466.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88920 + ... + 89171.

It is an arithmetic number, because the mean of its divisors is an integer number (2315196).

Almost surely, 2^22439466 is an apocalyptic number.

22439466 is an abundant number, since it is smaller than the sum of its proper divisors (33125238).

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

22439466 is a wasteful number, since it uses less digits than its factorization.

22439466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178106 (or 178103 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The square root of 22439466 is about 4737.0313488513. The cubic root of 22439466 is about 282.0574049426.

The spelling of 22439466 in words is "twenty-two million, four hundred thirty-nine thousand, four hundred sixty-six".