225165936 has 20 divisors (see below), whose sum is σ = 581678792. Its totient is φ = 75055296.

The previous prime is 225165893. The next prime is 225165937. The reversal of 225165936 is 639561522.

225165936 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 225165894 and 225165903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225165937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2345431 + ... + 2345526.

Almost surely, 2^225165936 is an apocalyptic number.

It is an amenable number.

225165936 is an abundant number, since it is smaller than the sum of its proper divisors (356512856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225165936 is a wasteful number, since it uses less digits than its factorization.

225165936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4690968 (or 4690962 counting only the distinct ones).

The product of its digits is 97200, while the sum is 39.

The square root of 225165936 is about 15005.5301805701. The cubic root of 225165936 is about 608.3696822633.

The spelling of 225165936 in words is "two hundred twenty-five million, one hundred sixty-five thousand, nine hundred thirty-six".