822793920 has 112 divisors (see below), whose sum is σ = 2813364960. Its totient is φ = 202530816.

The previous prime is 822793883. The next prime is 822793987. The reversal of 822793920 is 29397228.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20485 + ... + 45444.

It is an arithmetic number, because the mean of its divisors is an integer number (25119330).

Almost surely, 2^822793920 is an apocalyptic number.

822793920 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

822793920 is an abundant number, since it is smaller than the sum of its proper divisors (1990571040).

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

822793920 is a wasteful number, since it uses less digits than its factorization.

822793920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65962 (or 65952 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 822793920 is about 28684.3846020792. The cubic root of 822793920 is about 937.0519985707.

The spelling of 822793920 in words is "eight hundred twenty-two million, seven hundred ninety-three thousand, nine hundred twenty".