500222170172 has 12 divisors (see below), whose sum is σ = 883887718896. Its totient is φ = 247682821920.

The previous prime is 500222170157. The next prime is 500222170213. The reversal of 500222170172 is 271071222005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 607065329 + ... + 607066152.

It is an arithmetic number, because the mean of its divisors is an integer number (73657309908).

Almost surely, 2^500222170172 is an apocalyptic number.

It is an amenable number.

500222170172 is a deficient number, since it is larger than the sum of its proper divisors (383665548724).

500222170172 is a wasteful number, since it uses less digits than its factorization.

500222170172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1214131588 (or 1214131586 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 29.

Adding to 500222170172 its reverse (271071222005), we get a palindrome (771293392177).

The spelling of 500222170172 in words is "five hundred billion, two hundred twenty-two million, one hundred seventy thousand, one hundred seventy-two".