38922500 has 30 divisors (see below), whose sum is σ = 85121190. Its totient is φ = 15568000.

The previous prime is 38922497. The next prime is 38922539. The reversal of 38922500 is 522983.

It can be written as a sum of positive squares in 5 ways, for example, as 17707264 + 21215236 = 4208^2 + 4606^2 .

It is a super-2 number, since 2×38922500² = 3029922012500000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5285 + ... + 10284.

It is an arithmetic number, because the mean of its divisors is an integer number (2837373).

Almost surely, 2^38922500 is an apocalyptic number.

It is an amenable number.

38922500 is an abundant number, since it is smaller than the sum of its proper divisors (46198690).

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

38922500 is a wasteful number, since it uses less digits than its factorization.

38922500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15593 (or 15576 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 38922500 is about 6238.7899467765. The cubic root of 38922500 is about 338.8963638153.

The spelling of 38922500 in words is "thirty-eight million, nine hundred twenty-two thousand, five hundred".