47522164 has 12 divisors (see below), whose sum is σ = 83431684. Its totient is φ = 23684544.

The previous prime is 47522159. The next prime is 47522179. The reversal of 47522164 is 46122574.

It can be written as a sum of positive squares in 2 ways, for example, as 490000 + 47032164 = 700^2 + 6858^2 .

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, 17727 + ... + 20230.

Almost surely, 2^47522164 is an apocalyptic number.

It is an amenable number.

47522164 is a deficient number, since it is larger than the sum of its proper divisors (35909520).

47522164 is a wasteful number, since it uses less digits than its factorization.

47522164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38274 (or 38272 counting only the distinct ones).

The product of its digits is 13440, while the sum is 31.

The square root of 47522164 is about 6893.6321340785. The cubic root of 47522164 is about 362.2141422971.

The spelling of 47522164 in words is "forty-seven million, five hundred twenty-two thousand, one hundred sixty-four".