225218130 has 16 divisors (see below), whose sum is σ = 540523584. Its totient is φ = 60058160.

The previous prime is 225218113. The next prime is 225218143. The reversal of 225218130 is 31812522.

225218130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 225218130.

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, 3753606 + ... + 3753665.

It is an arithmetic number, because the mean of its divisors is an integer number (33782724).

Almost surely, 2^225218130 is an apocalyptic number.

225218130 is an abundant number, since it is smaller than the sum of its proper divisors (315305454).

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

225218130 is a wasteful number, since it uses less digits than its factorization.

225218130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7507281.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 225218130 is about 15007.2692386057. The cubic root of 225218130 is about 608.4166858119.

The spelling of 225218130 in words is "two hundred twenty-five million, two hundred eighteen thousand, one hundred thirty".