225727350172 has 12 divisors (see below), whose sum is σ = 395633412720. Its totient is φ = 112689232256.

The previous prime is 225727350161. The next prime is 225727350181. The reversal of 225727350172 is 271053727522.

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, 43607797 + ... + 43612972.

It is an arithmetic number, because the mean of its divisors is an integer number (32969451060).

Almost surely, 2^225727350172 is an apocalyptic number.

It is an amenable number.

225727350172 is a deficient number, since it is larger than the sum of its proper divisors (169906062548).

225727350172 is a wasteful number, since it uses less digits than its factorization.

225727350172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87221420 (or 87221418 counting only the distinct ones).

The product of its (nonzero) digits is 411600, while the sum is 43.

It can be divided in two parts, 225727350 and 172, that added together give a palindrome (225727522).

The spelling of 225727350172 in words is "two hundred twenty-five billion, seven hundred twenty-seven million, three hundred fifty thousand, one hundred seventy-two".