15222164 has 12 divisors (see below), whose sum is σ = 26898144. Its totient is φ = 7536984.

The previous prime is 15222143. The next prime is 15222197. The reversal of 15222164 is 46122251.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18062 + ... + 18885.

It is an arithmetic number, because the mean of its divisors is an integer number (2241512).

Almost surely, 2^15222164 is an apocalyptic number.

It is an amenable number.

15222164 is a deficient number, since it is larger than the sum of its proper divisors (11675980).

15222164 is a wasteful number, since it uses less digits than its factorization.

15222164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37054 (or 37052 counting only the distinct ones).

The product of its digits is 960, while the sum is 23.

The square root of 15222164 is about 3901.5591755092. The cubic root of 15222164 is about 247.8328087480.

The spelling of 15222164 in words is "fifteen million, two hundred twenty-two thousand, one hundred sixty-four".