22339812 has 24 divisors (see below), whose sum is σ = 56865312. Its totient is φ = 6769600.

The previous prime is 22339799. The next prime is 22339829. The reversal of 22339812 is 21893322.

It is a happy number.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 22339812.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84489 + ... + 84752.

It is an arithmetic number, because the mean of its divisors is an integer number (2369388).

Almost surely, 2^22339812 is an apocalyptic number.

22339812 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22339812 is an abundant number, since it is smaller than the sum of its proper divisors (34525500).

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

22339812 is a wasteful number, since it uses less digits than its factorization.

22339812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169259 (or 169257 counting only the distinct ones).

The product of its digits is 5184, while the sum is 30.

The square root of 22339812 is about 4726.5010314185. The cubic root of 22339812 is about 281.6392449447.

The spelling of 22339812 in words is "twenty-two million, three hundred thirty-nine thousand, eight hundred twelve".