225223116 has 24 divisors (see below), whose sum is σ = 526102080. Its totient is φ = 74991312.

The previous prime is 225223099. The next prime is 225223171. The reversal of 225223116 is 611322522.

225223116 is digitally balanced in base 2, 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 7 ways as a sum of consecutive naturals, for example, 1455 + ... + 21273.

It is an arithmetic number, because the mean of its divisors is an integer number (21920920).

Almost surely, 2^225223116 is an apocalyptic number.

It is an amenable number.

225223116 is an abundant number, since it is smaller than the sum of its proper divisors (300878964).

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

225223116 is a wasteful number, since it uses less digits than its factorization.

225223116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20773 (or 20771 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 225223116 is about 15007.4353571821. The cubic root of 225223116 is about 608.4211755973.

Adding to 225223116 its reverse (611322522), we get a palindrome (836545638).

The spelling of 225223116 in words is "two hundred twenty-five million, two hundred twenty-three thousand, one hundred sixteen".