225130902 has 32 divisors (see below), whose sum is σ = 459043200. Its totient is φ = 73586688.

The previous prime is 225130901. The next prime is 225130907. The reversal of 225130902 is 209031522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225130901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 271813 + ... + 272639.

It is an arithmetic number, because the mean of its divisors is an integer number (14345100).

Almost surely, 2^225130902 is an apocalyptic number.

225130902 is an abundant number, since it is smaller than the sum of its proper divisors (233912298).

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

225130902 is a wasteful number, since it uses less digits than its factorization.

225130902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1660.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 225130902 is about 15004.3627655426. The cubic root of 225130902 is about 608.3381281580.

It can be divided in two parts, 2251 and 30902, that added together give a triangular number (33153 = T₂₅₇).

The spelling of 225130902 in words is "two hundred twenty-five million, one hundred thirty thousand, nine hundred two".