322425421656 has 64 divisors (see below), whose sum is σ = 870335262720. Its totient is φ = 98948757120.

The previous prime is 322425421651. The next prime is 322425421657. The reversal of 322425421656 is 656124524223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322425421651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1229610 + ... + 1468601.

It is an arithmetic number, because the mean of its divisors is an integer number (13598988480).

Almost surely, 2^322425421656 is an apocalyptic number.

It is an amenable number.

322425421656 is an abundant number, since it is smaller than the sum of its proper divisors (547909841064).

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

322425421656 is a wasteful number, since it uses less digits than its factorization.

322425421656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2698616 (or 2698612 counting only the distinct ones).

The product of its digits is 691200, while the sum is 42.

Adding to 322425421656 its reverse (656124524223), we get a palindrome (978549945879).

The spelling of 322425421656 in words is "three hundred twenty-two billion, four hundred twenty-five million, four hundred twenty-one thousand, six hundred fifty-six".