522205208648 has 36 divisors (see below), whose sum is σ = 984169349865. Its totient is φ = 259766897376.

The previous prime is 522205208573. The next prime is 522205208663. The reversal of 522205208648 is 846802502225.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 521656618564 + 548590084 = 722258^2 + 23422^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=510982.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 522205208599 and 522205208608.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 488498258 + ... + 488499326.

Almost surely, 2^522205208648 is an apocalyptic number.

It is an amenable number.

522205208648 is a deficient number, since it is larger than the sum of its proper divisors (461964141217).

522205208648 is an frugal number, since it uses more digits than its factorization.

522205208648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2622 (or 1310 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 44.

The spelling of 522205208648 in words is "five hundred twenty-two billion, two hundred five million, two hundred eight thousand, six hundred forty-eight".