225624270525 has 24 divisors (see below), whose sum is σ = 385065425664. Its totient is φ = 116451235200.

The previous prime is 225624270499. The next prime is 225624270527. The reversal of 225624270525 is 525072426522.

It is not a de Polignac number, because 225624270525 - 2⁶ = 225624270461 is a prime.

It is a super-2 number, since 2×225624270525² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225624270527) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48519024 + ... + 48523673.

It is an arithmetic number, because the mean of its divisors is an integer number (16044392736).

Almost surely, 2^225624270525 is an apocalyptic number.

225624270525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

225624270525 is a deficient number, since it is larger than the sum of its proper divisors (159441155139).

225624270525 is a wasteful number, since it uses less digits than its factorization.

225624270525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97042741 (or 97042736 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 42.

The spelling of 225624270525 in words is "two hundred twenty-five billion, six hundred twenty-four million, two hundred seventy thousand, five hundred twenty-five".