225118528 has 28 divisors (see below), whose sum is σ = 461133952. Its totient is φ = 108927360.

The previous prime is 225118519. The next prime is 225118541. The reversal of 225118528 is 825811522.

It is a happy number.

225118528 is digitally balanced in base 3, 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 = 225118493 and 225118502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54750 + ... + 58717.

Almost surely, 2^225118528 is an apocalyptic number.

It is an amenable number.

225118528 is an abundant number, since it is smaller than the sum of its proper divisors (236015424).

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

225118528 is a wasteful number, since it uses less digits than its factorization.

225118528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113510 (or 113500 counting only the distinct ones).

The product of its digits is 12800, while the sum is 34.

The square root of 225118528 is about 15003.9504131412. The cubic root of 225118528 is about 608.3269824737.

The spelling of 225118528 in words is "two hundred twenty-five million, one hundred eighteen thousand, five hundred twenty-eight".