225255244432 has 80 divisors (see below), whose sum is σ = 479369318400. Its totient is φ = 102107566080.

The previous prime is 225255244429. The next prime is 225255244457. The reversal of 225255244432 is 234442552522.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 753169 + ... + 1008847.

It is an arithmetic number, because the mean of its divisors is an integer number (5992116480).

Almost surely, 2^225255244432 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 225255244432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239684659200).

225255244432 is an abundant number, since it is smaller than the sum of its proper divisors (254114073968).

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

225255244432 is a wasteful number, since it uses less digits than its factorization.

225255244432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255824 (or 255818 counting only the distinct ones).

The product of its digits is 768000, while the sum is 40.

Adding to 225255244432 its reverse (234442552522), we get a palindrome (459697796954).

The spelling of 225255244432 in words is "two hundred twenty-five billion, two hundred fifty-five million, two hundred forty-four thousand, four hundred thirty-two".