9218164 has 6 divisors (see below), whose sum is σ = 16131794. Its totient is φ = 4609080.

The previous prime is 9218161. The next prime is 9218177. The reversal of 9218164 is 4618129.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 8643600 + 574564 = 2940^2 + 758^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9218161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1152267 + ... + 1152274.

Almost surely, 2^9218164 is an apocalyptic number.

It is an amenable number.

9218164 is a deficient number, since it is larger than the sum of its proper divisors (6913630).

9218164 is a wasteful number, since it uses less digits than its factorization.

9218164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2304545 (or 2304543 counting only the distinct ones).

The product of its digits is 3456, while the sum is 31.

The square root of 9218164 is about 3036.1429478863. The cubic root of 9218164 is about 209.6757202188.

The spelling of 9218164 in words is "nine million, two hundred eighteen thousand, one hundred sixty-four".