225289232 has 80 divisors (see below), whose sum is σ = 548060160. Its totient is φ = 87474816.

The previous prime is 225289231. The next prime is 225289241. The reversal of 225289232 is 232982522.

It is a junction number, because it is equal to n+sod(n) for n = 225289192 and 225289201.

It is not an unprimeable number, because it can be changed into a prime (225289231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46643 + ... + 51245.

It is an arithmetic number, because the mean of its divisors is an integer number (6850752).

Almost surely, 2^225289232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225289232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274030080).

225289232 is an abundant number, since it is smaller than the sum of its proper divisors (322770928).

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

225289232 is a wasteful number, since it uses less digits than its factorization.

225289232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4660 (or 4654 counting only the distinct ones).

The product of its digits is 34560, while the sum is 35.

The square root of 225289232 is about 15009.6379703176. The cubic root of 225289232 is about 608.4807053642.

The spelling of 225289232 in words is "two hundred twenty-five million, two hundred eighty-nine thousand, two hundred thirty-two".