522023236172 has 12 divisors (see below), whose sum is σ = 913570638120. Its totient is φ = 261003053856.

The previous prime is 522023236169. The next prime is 522023236253. The reversal of 522023236172 is 271632320225.

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, 2002922 + ... + 2248497.

It is an arithmetic number, because the mean of its divisors is an integer number (76130886510).

Almost surely, 2^522023236172 is an apocalyptic number.

It is an amenable number.

522023236172 is a deficient number, since it is larger than the sum of its proper divisors (391547401948).

522023236172 is a wasteful number, since it uses less digits than its factorization.

522023236172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4282120 (or 4282118 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 35.

Adding to 522023236172 its reverse (271632320225), we get a palindrome (793655556397).

The spelling of 522023236172 in words is "five hundred twenty-two billion, twenty-three million, two hundred thirty-six thousand, one hundred seventy-two".