225261156 has 24 divisors (see below), whose sum is σ = 525909664. Its totient is φ = 75044160.

The previous prime is 225261139. The next prime is 225261161. The reversal of 225261156 is 651162522.

225261156 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

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, 22176 + ... + 30696.

Almost surely, 2^225261156 is an apocalyptic number.

It is an amenable number.

225261156 is an abundant number, since it is smaller than the sum of its proper divisors (300648508).

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

225261156 is a wasteful number, since it uses less digits than its factorization.

225261156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10731 (or 10729 counting only the distinct ones).

The product of its digits is 7200, while the sum is 30.

The square root of 225261156 is about 15008.7026754480. The cubic root of 225261156 is about 608.4554276152.

The spelling of 225261156 in words is "two hundred twenty-five million, two hundred sixty-one thousand, one hundred fifty-six".