38221252 has 6 divisors (see below), whose sum is σ = 66887198. Its totient is φ = 19110624.

The previous prime is 38221241. The next prime is 38221273. The reversal of 38221252 is 25212283.

It can be written as a sum of positive squares in only one way, i.e., 25160256 + 13060996 = 5016^2 + 3614^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4777653 + ... + 4777660.

Almost surely, 2^38221252 is an apocalyptic number.

It is an amenable number.

38221252 is a deficient number, since it is larger than the sum of its proper divisors (28665946).

38221252 is a wasteful number, since it uses less digits than its factorization.

38221252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9555317 (or 9555315 counting only the distinct ones).

The product of its digits is 1920, while the sum is 25.

The square root of 38221252 is about 6182.3338635179. Note that the first 3 decimals coincide. The cubic root of 38221252 is about 336.8487729406.

The spelling of 38221252 in words is "thirty-eight million, two hundred twenty-one thousand, two hundred fifty-two".