822081808 has 40 divisors (see below), whose sum is σ = 1646720000. Its totient is φ = 397163520.

The previous prime is 822081803. The next prime is 822081853. The reversal of 822081808 is 808180228.

It is not an unprimeable number, because it can be changed into a prime (822081803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 618841 + ... + 620167.

It is an arithmetic number, because the mean of its divisors is an integer number (41168000).

Almost surely, 2^822081808 is an apocalyptic number.

It is an amenable number.

822081808 is an abundant number, since it is smaller than the sum of its proper divisors (824638192).

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

822081808 is a wasteful number, since it uses less digits than its factorization.

822081808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2615 (or 2609 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 37.

The square root of 822081808 is about 28671.9690290011. The cubic root of 822081808 is about 936.7815871684.

The spelling of 822081808 in words is "eight hundred twenty-two million, eighty-one thousand, eight hundred eight".