2225715165 has 40 divisors (see below), whose sum is σ = 4002095328. Its totient is φ = 1183390560.

The previous prime is 2225715161. The next prime is 2225715187. The reversal of 2225715165 is 5615175222.

2225715165 is a `hidden beast` number, since 2 + 22 + 571 + 5 + 1 + 65 = 666.

It is not a de Polignac number, because 2225715165 - 2² = 2225715161 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2225715161) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 125754 + ... + 142356.

Almost surely, 2^2225715165 is an apocalyptic number.

It is an amenable number.

2225715165 is a deficient number, since it is larger than the sum of its proper divisors (1776380163).

2225715165 is a wasteful number, since it uses less digits than its factorization.

2225715165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16951 (or 16942 counting only the distinct ones).

The product of its digits is 42000, while the sum is 36.

The square root of 2225715165 is about 47177.4857850649. The cubic root of 2225715165 is about 1305.6392429053.

The spelling of 2225715165 in words is "two billion, two hundred twenty-five million, seven hundred fifteen thousand, one hundred sixty-five".