225130878 has 24 divisors (see below), whose sum is σ = 557467248. Its totient is φ = 64323072.

The previous prime is 225130861. The next prime is 225130879. The reversal of 225130878 is 878031522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225130879) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 893251 + ... + 893502.

It is an arithmetic number, because the mean of its divisors is an integer number (23227802).

Almost surely, 2^225130878 is an apocalyptic number.

225130878 is an abundant number, since it is smaller than the sum of its proper divisors (332336370).

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

225130878 is a wasteful number, since it uses less digits than its factorization.

225130878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1786768 (or 1786765 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 225130878 is about 15004.3619657752. The cubic root of 225130878 is about 608.3381065408.

The spelling of 225130878 in words is "two hundred twenty-five million, one hundred thirty thousand, eight hundred seventy-eight".