39221164 has 24 divisors (see below), whose sum is σ = 72334080. Its totient is φ = 18571344.

The previous prime is 39221153. The next prime is 39221173. The reversal of 39221164 is 46112293.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a plaindrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7407 + ... + 11545.

It is an arithmetic number, because the mean of its divisors is an integer number (3013920).

Almost surely, 2^39221164 is an apocalyptic number.

It is an amenable number.

39221164 is a deficient number, since it is larger than the sum of its proper divisors (33112916).

39221164 is a wasteful number, since it uses less digits than its factorization.

39221164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4269 (or 4267 counting only the distinct ones).

The product of its digits is 2592, while the sum is 28.

The square root of 39221164 is about 6262.6802568868. The cubic root of 39221164 is about 339.7609738682.

The spelling of 39221164 in words is "thirty-nine million, two hundred twenty-one thousand, one hundred sixty-four".