822406051608 has 128 divisors (see below), whose sum is σ = 2228792294400. Its totient is φ = 251997640704.

The previous prime is 822406051603. The next prime is 822406051609. The reversal of 822406051608 is 806150604228.

It is a self number, because there is not a number n which added to its sum of digits gives 822406051608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (822406051603) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6125616 + ... + 6258432.

It is an arithmetic number, because the mean of its divisors is an integer number (17412439800).

Almost surely, 2^822406051608 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 822406051608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1114396147200).

822406051608 is an abundant number, since it is smaller than the sum of its proper divisors (1406386242792).

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

822406051608 is a wasteful number, since it uses less digits than its factorization.

822406051608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133249 (or 133245 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 42.

The spelling of 822406051608 in words is "eight hundred twenty-two billion, four hundred six million, fifty-one thousand, six hundred eight".