225831116 has 24 divisors (see below), whose sum is σ = 462680736. Its totient is φ = 94423680.

The previous prime is 225831107. The next prime is 225831119. The reversal of 225831116 is 611138522.

225831116 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (225831119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97211 + ... + 99506.

It is an arithmetic number, because the mean of its divisors is an integer number (19278364).

Almost surely, 2^225831116 is an apocalyptic number.

It is an amenable number.

225831116 is an abundant number, since it is smaller than the sum of its proper divisors (236849620).

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

225831116 is a wasteful number, since it uses less digits than its factorization.

225831116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196769 (or 196767 counting only the distinct ones).

The product of its digits is 2880, while the sum is 29.

The square root of 225831116 is about 15027.6783303343. The cubic root of 225831116 is about 608.9681705175.

Adding to 225831116 its reverse (611138522), we get a palindrome (836969638).

The spelling of 225831116 in words is "two hundred twenty-five million, eight hundred thirty-one thousand, one hundred sixteen".