22644934 has 16 divisors (see below), whose sum is σ = 36712368. Its totient is φ = 10413792.

The previous prime is 22644917. The next prime is 22644943. The reversal of 22644934 is 43944622.

22644934 = T₁₈₆₀ + T₁₈₆₁ + ... + T₁₈₇₂.

It is a self number, because there is not a number n which added to its sum of digits gives 22644934.

It is a congruent number.

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, 6564 + ... + 9400.

It is an arithmetic number, because the mean of its divisors is an integer number (2294523).

Almost surely, 2^22644934 is an apocalyptic number.

22644934 is a deficient number, since it is larger than the sum of its proper divisors (14067434).

22644934 is a wasteful number, since it uses less digits than its factorization.

22644934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3159.

The product of its digits is 41472, while the sum is 34.

The square root of 22644934 is about 4758.6693518252. The cubic root of 22644934 is about 282.9156811568.

The spelling of 22644934 in words is "twenty-two million, six hundred forty-four thousand, nine hundred thirty-four".