522713930722 has 4 divisors (see below), whose sum is σ = 784070896086. Its totient is φ = 261356965360.

The previous prime is 522713930617. The next prime is 522713930723. The reversal of 522713930722 is 227039317225.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 413231694561 + 109482236161 = 642831^2 + 330881^2 .

It is not an unprimeable number, because it can be changed into a prime (522713930723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130678482679 + ... + 130678482682.

Almost surely, 2^522713930722 is an apocalyptic number.

522713930722 is a deficient number, since it is larger than the sum of its proper divisors (261356965364).

522713930722 is a wasteful number, since it uses less digits than its factorization.

522713930722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261356965363.

The product of its (nonzero) digits is 317520, while the sum is 43.

The spelling of 522713930722 in words is "five hundred twenty-two billion, seven hundred thirteen million, nine hundred thirty thousand, seven hundred twenty-two".