22738864 has 20 divisors (see below), whose sum is σ = 44261056. Its totient is φ = 11316672.

The previous prime is 22738861. The next prime is 22738867. The reversal of 22738864 is 46883722.

It is an interprime number because it is at equal distance from previous prime (22738861) and next prime (22738867).

It is not an unprimeable number, because it can be changed into a prime (22738861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 382 + ... + 6754.

Almost surely, 2^22738864 is an apocalyptic number.

It is an amenable number.

22738864 is a deficient number, since it is larger than the sum of its proper divisors (21522192).

22738864 is a wasteful number, since it uses less digits than its factorization.

22738864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6604 (or 6598 counting only the distinct ones).

The product of its digits is 129024, while the sum is 40.

The square root of 22738864 is about 4768.5284942003. The cubic root of 22738864 is about 283.3063146862.

The spelling of 22738864 in words is "twenty-two million, seven hundred thirty-eight thousand, eight hundred sixty-four".