822418465792 has 176 divisors, whose sum is σ = 2053370395008. Its totient is φ = 319849758720.

The previous prime is 822418465769. The next prime is 822418465801. The reversal of 822418465792 is 297564814228.

It is a tau number, because it is divible by the number of its divisors (176).

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 15 ways as a sum of consecutive naturals, for example, 45486258 + ... + 45504334.

Almost surely, 2^822418465792 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 822418465792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1026685197504).

822418465792 is an abundant number, since it is smaller than the sum of its proper divisors (1230951929216).

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

822418465792 is a wasteful number, since it uses less digits than its factorization.

822418465792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18692 (or 18674 counting only the distinct ones).

The product of its digits is 15482880, while the sum is 58.

The spelling of 822418465792 in words is "eight hundred twenty-two billion, four hundred eighteen million, four hundred sixty-five thousand, seven hundred ninety-two".