38221532 has 12 divisors (see below), whose sum is σ = 67225200. Its totient is φ = 19014336.

The previous prime is 38221523. The next prime is 38221537. The reversal of 38221532 is 23512283.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38221537) 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, 23213 + ... + 24804.

It is an arithmetic number, because the mean of its divisors is an integer number (5602100).

Almost surely, 2^38221532 is an apocalyptic number.

It is an amenable number.

38221532 is a deficient number, since it is larger than the sum of its proper divisors (29003668).

38221532 is a wasteful number, since it uses less digits than its factorization.

38221532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48220 (or 48218 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 38221532 is about 6182.3565086462. The cubic root of 38221532 is about 336.8495954972.

The spelling of 38221532 in words is "thirty-eight million, two hundred twenty-one thousand, five hundred thirty-two".