225124715 has 4 divisors (see below), whose sum is σ = 270149664. Its totient is φ = 180099768.

The previous prime is 225124663. The next prime is 225124721. The reversal of 225124715 is 517421522.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 225124715 - 2²⁴ = 208347499 is a prime.

It is a super-2 number, since 2×225124715² = 101362274607662450, which contains 22 as substring.

It is a Duffinian 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, 22512467 + ... + 22512476.

It is an arithmetic number, because the mean of its divisors is an integer number (67537416).

Almost surely, 2^225124715 is an apocalyptic number.

225124715 is a deficient number, since it is larger than the sum of its proper divisors (45024949).

225124715 is an equidigital number, since it uses as much as digits as its factorization.

225124715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45024948.

The product of its digits is 5600, while the sum is 29.

The square root of 225124715 is about 15004.1565907584. The cubic root of 225124715 is about 608.3325553669.

The spelling of 225124715 in words is "two hundred twenty-five million, one hundred twenty-four thousand, seven hundred fifteen".