822054321992 has 36 divisors (see below), whose sum is σ = 1553842714515. Its totient is φ = 407722859440.

The previous prime is 822054321929. The next prime is 822054322027. The reversal of 822054321992 is 299123450228.

It is a happy number.

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., 411027160996 + 411027160996 = 641114^2 + 641114^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=641114.

It is a Duffinian number.

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, 335942513 + ... + 335944959.

Almost surely, 2^822054321992 is an apocalyptic number.

It is an amenable number.

822054321992 is a deficient number, since it is larger than the sum of its proper divisors (731788392523).

822054321992 is an frugal number, since it uses more digits than its factorization.

822054321992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5162 (or 2580 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 47.

The spelling of 822054321992 in words is "eight hundred twenty-two billion, fifty-four million, three hundred twenty-one thousand, nine hundred ninety-two".