15422164 has 6 divisors (see below), whose sum is σ = 26988794. Its totient is φ = 7711080.

The previous prime is 15422149. The next prime is 15422207. The reversal of 15422164 is 46122451.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 14122564 + 1299600 = 3758^2 + 1140^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1927767 + ... + 1927774.

Almost surely, 2^15422164 is an apocalyptic number.

It is an amenable number.

15422164 is a deficient number, since it is larger than the sum of its proper divisors (11566630).

15422164 is a wasteful number, since it uses less digits than its factorization.

15422164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3855545 (or 3855543 counting only the distinct ones).

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

The square root of 15422164 is about 3927.1063138143. The cubic root of 15422164 is about 248.9134928495.

The spelling of 15422164 in words is "fifteen million, four hundred twenty-two thousand, one hundred sixty-four".