822331306568 has 12 divisors (see below), whose sum is σ = 1541876008995. Its totient is φ = 411164370840.

The previous prime is 822331306513. The next prime is 822331306603. The reversal of 822331306568 is 865603133228.

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 only one way, i.e., 411165653284 + 411165653284 = 641222^2 + 641222^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=641222.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2404583 + ... + 2725193.

Almost surely, 2^822331306568 is an apocalyptic number.

It is an amenable number.

822331306568 is a deficient number, since it is larger than the sum of its proper divisors (719544702427).

822331306568 is an frugal number, since it uses more digits than its factorization.

822331306568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641228 (or 320613 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 47.

The spelling of 822331306568 in words is "eight hundred twenty-two billion, three hundred thirty-one million, three hundred six thousand, five hundred sixty-eight".