822395680 has 24 divisors (see below), whose sum is σ = 1942910172. Its totient is φ = 328958208.

The previous prime is 822395617. The next prime is 822395701. The reversal of 822395680 is 86593228.

It can be written as a sum of positive squares in 2 ways, for example, as 675792016 + 146603664 = 25996^2 + 12108^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2569827 + ... + 2570146.

Almost surely, 2^822395680 is an apocalyptic number.

822395680 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

822395680 is an abundant number, since it is smaller than the sum of its proper divisors (1120514492).

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

822395680 is a wasteful number, since it uses less digits than its factorization.

822395680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5139988 (or 5139980 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 822395680 is about 28677.4420058694. The cubic root of 822395680 is about 936.9007935114.

The spelling of 822395680 in words is "eight hundred twenty-two million, three hundred ninety-five thousand, six hundred eighty".