225425212432 has 60 divisors (see below), whose sum is σ = 506286478528. Its totient is φ = 95249851200.

The previous prime is 225425212391. The next prime is 225425212447. The reversal of 225425212432 is 234212524522.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 364957 + ... + 764227.

Almost surely, 2^225425212432 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 225425212432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253143239264).

225425212432 is an abundant number, since it is smaller than the sum of its proper divisors (280861266096).

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

225425212432 is an equidigital number, since it uses as much as digits as its factorization.

225425212432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399428 (or 399351 counting only the distinct ones).

The product of its digits is 76800, while the sum is 34.

Adding to 225425212432 its reverse (234212524522), we get a palindrome (459637736954).

The spelling of 225425212432 in words is "two hundred twenty-five billion, four hundred twenty-five million, two hundred twelve thousand, four hundred thirty-two".