225371272 has 16 divisors (see below), whose sum is σ = 482938560. Its totient is φ = 96587664.

The previous prime is 225371257. The next prime is 225371297. The reversal of 225371272 is 272173522.

225371272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 2012188 + ... + 2012299.

It is an arithmetic number, because the mean of its divisors is an integer number (30183660).

Almost surely, 2^225371272 is an apocalyptic number.

It is an amenable number.

225371272 is an abundant number, since it is smaller than the sum of its proper divisors (257567288).

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

225371272 is a wasteful number, since it uses less digits than its factorization.

225371272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4024500 (or 4024496 counting only the distinct ones).

The product of its digits is 11760, while the sum is 31.

The square root of 225371272 is about 15012.3706322486. The cubic root of 225371272 is about 608.5545566507.

The spelling of 225371272 in words is "two hundred twenty-five million, three hundred seventy-one thousand, two hundred seventy-two".