822323404 has 24 divisors (see below), whose sum is σ = 1646023680. Its totient is φ = 352129296.

The previous prime is 822323389. The next prime is 822323407. The reversal of 822323404 is 404323228.

It is a super-2 number, since 2×822323404² = 1352431561532294432, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (822323407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23589 + ... + 46915.

It is an arithmetic number, because the mean of its divisors is an integer number (68584320).

Almost surely, 2^822323404 is an apocalyptic number.

It is an amenable number.

822323404 is an abundant number, since it is smaller than the sum of its proper divisors (823700276).

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

822323404 is a wasteful number, since it uses less digits than its factorization.

822323404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24597 (or 24595 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 822323404 is about 28676.1818239458. The cubic root of 822323404 is about 936.8733462914.

The spelling of 822323404 in words is "eight hundred twenty-two million, three hundred twenty-three thousand, four hundred four".