22719964 has 12 divisors (see below), whose sum is σ = 39793600. Its totient is φ = 11350368.

The previous prime is 22719959. The next prime is 22719971. The reversal of 22719964 is 46991722.

It is a super-2 number, since 2×22719964² = 1032393528322592, which contains 22 as substring.

It is a hoax number, since the sum of its digits (40) 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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6997 + ... + 9715.

Almost surely, 2^22719964 is an apocalyptic number.

It is an amenable number.

22719964 is a deficient number, since it is larger than the sum of its proper divisors (17073636).

22719964 is a wasteful number, since it uses less digits than its factorization.

22719964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4812 (or 4810 counting only the distinct ones).

The product of its digits is 54432, while the sum is 40.

The square root of 22719964 is about 4766.5463388076. The cubic root of 22719964 is about 283.2278004511.

The spelling of 22719964 in words is "twenty-two million, seven hundred nineteen thousand, nine hundred sixty-four".