225443264432 has 80 divisors (see below), whose sum is σ = 468886239360. Its totient is φ = 104626888704.

The previous prime is 225443264419. The next prime is 225443264509. The reversal of 225443264432 is 234462344522.

It is a self number, because there is not a number n which added to its sum of digits gives 225443264432.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20128658 + ... + 20139854.

It is an arithmetic number, because the mean of its divisors is an integer number (5861077992).

Almost surely, 2^225443264432 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 225443264432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234443119680).

225443264432 is an abundant number, since it is smaller than the sum of its proper divisors (243442974928).

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

225443264432 is a wasteful number, since it uses less digits than its factorization.

225443264432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12238 (or 12232 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 41.

The spelling of 225443264432 in words is "two hundred twenty-five billion, four hundred forty-three million, two hundred sixty-four thousand, four hundred thirty-two".