522202572172 has 6 divisors (see below), whose sum is σ = 913854501308. Its totient is φ = 261101286084.

The previous prime is 522202572169. The next prime is 522202572191. The reversal of 522202572172 is 271275202225.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65275321518 + ... + 65275321525.

Almost surely, 2^522202572172 is an apocalyptic number.

It is an amenable number.

522202572172 is a deficient number, since it is larger than the sum of its proper divisors (391651929136).

522202572172 is a wasteful number, since it uses less digits than its factorization.

522202572172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130550643047 (or 130550643045 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 37.

Adding to 522202572172 its reverse (271275202225), we get a palindrome (793477774397).

The spelling of 522202572172 in words is "five hundred twenty-two billion, two hundred two million, five hundred seventy-two thousand, one hundred seventy-two".