225115232 has 12 divisors (see below), whose sum is σ = 443195676. Its totient is φ = 112557600.

The previous prime is 225115229. The next prime is 225115259. The reversal of 225115232 is 232511522.

It is a junction number, because it is equal to n+sod(n) for n = 225115198 and 225115207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3517394 + ... + 3517457.

It is an arithmetic number, because the mean of its divisors is an integer number (36932973).

Almost surely, 2^225115232 is an apocalyptic number.

It is an amenable number.

225115232 is a deficient number, since it is larger than the sum of its proper divisors (218080444).

225115232 is an equidigital number, since it uses as much as digits as its factorization.

225115232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7034861 (or 7034853 counting only the distinct ones).

The product of its digits is 1200, while the sum is 23.

The square root of 225115232 is about 15003.8405749995. The cubic root of 225115232 is about 608.3240135850.

Adding to 225115232 its reverse (232511522), we get a palindrome (457626754).

The spelling of 225115232 in words is "two hundred twenty-five million, one hundred fifteen thousand, two hundred thirty-two".