225172432 has 20 divisors (see below), whose sum is σ = 436686336. Its totient is φ = 112479200.

The previous prime is 225172427. The next prime is 225172459. The reversal of 225172432 is 234271522.

225172432 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 225172432.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12303 + ... + 24529.

Almost surely, 2^225172432 is an apocalyptic number.

It is an amenable number.

225172432 is a deficient number, since it is larger than the sum of its proper divisors (211513904).

225172432 is a wasteful number, since it uses less digits than its factorization.

225172432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13386 (or 13380 counting only the distinct ones).

The product of its digits is 6720, while the sum is 28.

The square root of 225172432 is about 15005.7466325405. The cubic root of 225172432 is about 608.3755326620.

The spelling of 225172432 in words is "two hundred twenty-five million, one hundred seventy-two thousand, four hundred thirty-two".