522244434662161 has 4 divisors (see below), whose sum is σ = 522244496148532. Its totient is φ = 522244373175792.

The previous prime is 522244434662101. The next prime is 522244434662191. The reversal of 522244434662161 is 161266434442225.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 218278285771536 + 303966148890625 = 14774244^2 + 17434625^2 .

It is a cyclic number.

It is not a de Polignac number, because 522244434662161 - 2¹⁹ = 522244434137873 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 522244434662099 and 522244434662108.

It is not an unprimeable number, because it can be changed into a prime (522244434662101) 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, 15475170 + ... + 35832523.

It is an arithmetic number, because the mean of its divisors is an integer number (130561124037133).

Almost surely, 2^{522244434662161} is an apocalyptic number.

It is an amenable number.

522244434662161 is a deficient number, since it is larger than the sum of its proper divisors (61486371).

522244434662161 is a wasteful number, since it uses less digits than its factorization.

522244434662161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61486370.

The product of its digits is 13271040, while the sum is 52.

The spelling of 522244434662161 in words is "five hundred twenty-two trillion, two hundred forty-four billion, four hundred thirty-four million, six hundred sixty-two thousand, one hundred sixty-one".