225261512 has 32 divisors (see below), whose sum is σ = 487494720. Its totient is φ = 95582400.

The previous prime is 225261497. The next prime is 225261521. The reversal of 225261512 is 215162522.

It is a super-2 number, since 2×225261512² = 101485497577052288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14258 + ... + 25569.

It is an arithmetic number, because the mean of its divisors is an integer number (15234210).

Almost surely, 2^225261512 is an apocalyptic number.

It is an amenable number.

225261512 is an abundant number, since it is smaller than the sum of its proper divisors (262233208).

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

225261512 is a wasteful number, since it uses less digits than its factorization.

225261512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39941 (or 39937 counting only the distinct ones).

The product of its digits is 2400, while the sum is 26.

The square root of 225261512 is about 15008.7145352292. The cubic root of 225261512 is about 608.4557481469.

The spelling of 225261512 in words is "two hundred twenty-five million, two hundred sixty-one thousand, five hundred twelve".