804822 has 16 divisors (see below), whose sum is σ = 1661952. Its totient is φ = 259560.

The previous prime is 804803. The next prime is 804823. The reversal of 804822 is 228408.

It is a junction number, because it is equal to n+sod(n) for n = 804792 and 804801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (804823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1978 + ... + 2349.

It is an arithmetic number, because the mean of its divisors is an integer number (103872).

2⁸⁰⁴⁸²² is an apocalyptic number.

804822 is an abundant number, since it is smaller than the sum of its proper divisors (857130).

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

804822 is a wasteful number, since it uses less digits than its factorization.

804822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4363.

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 804822 is about 897.1187212404. The cubic root of 804822 is about 93.0179176946.

The spelling of 804822 in words is "eight hundred four thousand, eight hundred twenty-two".