822470820 has 24 divisors (see below), whose sum is σ = 2302918464. Its totient is φ = 219325536.

The previous prime is 822470819. The next prime is 822470833. The reversal of 822470820 is 28074228.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6853864 + ... + 6853983.

It is an arithmetic number, because the mean of its divisors is an integer number (95954936).

Almost surely, 2^822470820 is an apocalyptic number.

It is an amenable number.

822470820 is an abundant number, since it is smaller than the sum of its proper divisors (1480447644).

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

822470820 is a wasteful number, since it uses less digits than its factorization.

822470820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13707859 (or 13707857 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 33.

The square root of 822470820 is about 28678.7520648999. The cubic root of 822470820 is about 936.9293266468.

The spelling of 822470820 in words is "eight hundred twenty-two million, four hundred seventy thousand, eight hundred twenty".