822004 has 12 divisors (see below), whose sum is σ = 1455300. Its totient is φ = 406208.

The previous prime is 821999. The next prime is 822007. The reversal of 822004 is 400228.

822004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 425104 + 396900 = 652^2 + 630^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (822007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 799 + ... + 1510.

It is an arithmetic number, because the mean of its divisors is an integer number (121275).

2⁸²²⁰⁰⁴ is an apocalyptic number.

It is an amenable number.

822004 is a deficient number, since it is larger than the sum of its proper divisors (633296).

822004 is a wasteful number, since it uses less digits than its factorization.

822004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2402 (or 2400 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 822004 is about 906.6443624708. The cubic root of 822004 is about 93.6752031553.

The spelling of 822004 in words is "eight hundred twenty-two thousand, four".