225118500 has 96 divisors (see below), whose sum is σ = 659463168. Its totient is φ = 59673600.

The previous prime is 225118483. The next prime is 225118513. The reversal of 225118500 is 5811522.

225118500 is digitally balanced in base 3, 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 31 ways as a sum of consecutive naturals, for example, 334164 + ... + 334836.

It is an arithmetic number, because the mean of its divisors is an integer number (6869408).

Almost surely, 2^225118500 is an apocalyptic number.

225118500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225118500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (329731584).

225118500 is an abundant number, since it is smaller than the sum of its proper divisors (434344668).

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

225118500 is a wasteful number, since it uses less digits than its factorization.

225118500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918 (or 906 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 24.

The square root of 225118500 is about 15003.9494800536. The cubic root of 225118500 is about 608.3269572527.

The spelling of 225118500 in words is "two hundred twenty-five million, one hundred eighteen thousand, five hundred".