522206123413 has 4 divisors (see below), whose sum is σ = 562375825228. Its totient is φ = 482036421600.

The previous prime is 522206123339. The next prime is 522206123419. The reversal of 522206123413 is 314321602225.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 179960063089 + 342246060324 = 424217^2 + 585018^2 .

It is a cyclic number.

It is not a de Polignac number, because 522206123413 - 2²⁹ = 521669252501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522206123419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20084850888 + ... + 20084850913.

It is an arithmetic number, because the mean of its divisors is an integer number (140593956307).

Almost surely, 2^522206123413 is an apocalyptic number.

It is an amenable number.

522206123413 is a deficient number, since it is larger than the sum of its proper divisors (40169701815).

522206123413 is a wasteful number, since it uses less digits than its factorization.

522206123413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40169701814.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 522206123413 its reverse (314321602225), we get a palindrome (836527725638).

The spelling of 522206123413 in words is "five hundred twenty-two billion, two hundred six million, one hundred twenty-three thousand, four hundred thirteen".