806822 has 8 divisors (see below), whose sum is σ = 1243056. Its totient is φ = 392472.

The previous prime is 806821. The next prime is 806857. The reversal of 806822 is 228608.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 806791 and 806800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (806821) 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 3 ways as a sum of consecutive naturals, for example, 5378 + ... + 5525.

It is an arithmetic number, because the mean of its divisors is an integer number (155382).

2⁸⁰⁶⁸²² is an apocalyptic number.

806822 is a deficient number, since it is larger than the sum of its proper divisors (436234).

806822 is a wasteful number, since it uses less digits than its factorization.

806822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10942.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 806822 is about 898.2327092686. The cubic root of 806822 is about 93.0949044680.

The spelling of 806822 in words is "eight hundred six thousand, eight hundred twenty-two".