522664222466225 has 36 divisors (see below), whose sum is σ = 786695451554304. Its totient is φ = 342815788133280.

The previous prime is 522664222466117. The next prime is 522664222466227.

522664222466225 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 522664222466225 - 2⁴⁰ = 521564710838449 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (522664222466227) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 9275290769 + ... + 9275347118.

It is an arithmetic number, because the mean of its divisors is an integer number (21852651432064).

Almost surely, 2^{522664222466225} is an apocalyptic number.

It is an amenable number.

522664222466225 is a deficient number, since it is larger than the sum of its proper divisors (264031229088079).

522664222466225 is a wasteful number, since it uses less digits than its factorization.

522664222466225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18550637934 (or 18550637922 counting only the distinct ones).

The product of its digits is 66355200, while the sum is 56.

The spelling of 522664222466225 in words is "five hundred twenty-two trillion, six hundred sixty-four billion, two hundred twenty-two million, four hundred sixty-six thousand, two hundred twenty-five".