822197937800 has 108 divisors (see below), whose sum is σ = 1934447235165. Its totient is φ = 324996249600.

The previous prime is 822197937791. The next prime is 822197937811. The reversal of 822197937800 is 8739791228.

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 14 ways, for example, as 12050331076 + 810147606724 = 109774^2 + 900082^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=641170.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1243869470 + ... + 1243870130.

Almost surely, 2^822197937800 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 822197937800

822197937800 is an abundant number, since it is smaller than the sum of its proper divisors (1112249297365).

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

822197937800 is an frugal number, since it uses more digits than its factorization.

822197937800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1532 (or 765 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 56.

The spelling of 822197937800 in words is "eight hundred twenty-two billion, one hundred ninety-seven million, nine hundred thirty-seven thousand, eight hundred".