800822 has 16 divisors (see below), whose sum is σ = 1328400. Its totient is φ = 359040.

The previous prime is 800801. The next prime is 800861. The reversal of 800822 is 228008.

It is a junction number, because it is equal to n+sod(n) for n = 800794 and 800803.

It is a congruent number.

It is an unprimeable number.

800822 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1754 + ... + 2162.

It is an arithmetic number, because the mean of its divisors is an integer number (83025).

2⁸⁰⁰⁸²² is an apocalyptic number.

800822 is a deficient number, since it is larger than the sum of its proper divisors (527578).

800822 is a wasteful number, since it uses less digits than its factorization.

800822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511.

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 800822 is about 894.8865849928. The cubic root of 800822 is about 92.8635606722.

The spelling of 800822 in words is "eight hundred thousand, eight hundred twenty-two".