22943964 has 24 divisors (see below), whose sum is σ = 53632768. Its totient is φ = 7634160.

The previous prime is 22943957. The next prime is 22943989. The reversal of 22943964 is 46934922.

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 7 ways as a sum of consecutive naturals, for example, 6909 + ... + 9675.

Almost surely, 2^22943964 is an apocalyptic number.

It is an amenable number.

22943964 is an abundant number, since it is smaller than the sum of its proper divisors (30688804).

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

22943964 is a wasteful number, since it uses less digits than its factorization.

22943964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3465 (or 3463 counting only the distinct ones).

The product of its digits is 93312, while the sum is 39.

The square root of 22943964 is about 4789.9858037368. The cubic root of 22943964 is about 284.1555551975.

It can be divided in two parts, 229439 and 64, that added together give a triangular number (229503 = T₆₇₇).

The spelling of 22943964 in words is "twenty-two million, nine hundred forty-three thousand, nine hundred sixty-four".