522454422666 has 192 divisors, whose sum is σ = 1233309587328. Its totient is φ = 146910720000.

The previous prime is 522454422647. The next prime is 522454422671. The reversal of 522454422666 is 666224454225.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 352770646 + ... + 352772126.

It is an arithmetic number, because the mean of its divisors is an integer number (6423487434).

Almost surely, 2^522454422666 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 522454422666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (616654793664).

522454422666 is an abundant number, since it is smaller than the sum of its proper divisors (710855164662).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

522454422666 is a wasteful number, since it uses less digits than its factorization.

522454422666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1909 (or 1898 counting only the distinct ones).

The product of its digits is 5529600, while the sum is 48.

The spelling of 522454422666 in words is "five hundred twenty-two billion, four hundred fifty-four million, four hundred twenty-two thousand, six hundred sixty-six".