22705944 has 16 divisors (see below), whose sum is σ = 56764920. Its totient is φ = 7568640.

The previous prime is 22705913. The next prime is 22705979. The reversal of 22705944 is 44950722.

It is a super-2 number, since 2×22705944² = 1031119785862272, which contains 22 as substring.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 473017 + ... + 473064.

Almost surely, 2^22705944 is an apocalyptic number.

22705944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22705944 is an abundant number, since it is smaller than the sum of its proper divisors (34058976).

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

22705944 is a wasteful number, since it uses less digits than its factorization.

22705944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946090 (or 946086 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 22705944 is about 4765.0754453629. The cubic root of 22705944 is about 283.1695305404.

The spelling of 22705944 in words is "twenty-two million, seven hundred five thousand, nine hundred forty-four".