802822 has 4 divisors (see below), whose sum is σ = 1204236. Its totient is φ = 401410.

The previous prime is 802811. The next prime is 802829. The reversal of 802822 is 228208.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 802793 and 802802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (802829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200704 + ... + 200707.

It is an arithmetic number, because the mean of its divisors is an integer number (301059).

2⁸⁰²⁸²² is an apocalyptic number.

802822 is a deficient number, since it is larger than the sum of its proper divisors (401414).

802822 is a wasteful number, since it uses less digits than its factorization.

802822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401413.

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 802822 is about 896.0033482080. The cubic root of 802822 is about 92.9408032729.

The spelling of 802822 in words is "eight hundred two thousand, eight hundred twenty-two".