225020512 has 24 divisors (see below), whose sum is σ = 458287200. Its totient is φ = 108630144.

The previous prime is 225020507. The next prime is 225020539. The reversal of 225020512 is 215020522.

It is a self number, because there is not a number n which added to its sum of digits gives 225020512.

It is a congruent 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, 120312 + ... + 122167.

It is an arithmetic number, because the mean of its divisors is an integer number (19095300).

Almost surely, 2^225020512 is an apocalyptic number.

It is an amenable number.

225020512 is an abundant number, since it is smaller than the sum of its proper divisors (233266688).

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

225020512 is a wasteful number, since it uses less digits than its factorization.

225020512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242518 (or 242510 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 225020512 is about 15000.6837177510. The cubic root of 225020512 is about 608.2386816812.

The spelling of 225020512 in words is "two hundred twenty-five million, twenty thousand, five hundred twelve".