805822 has 8 divisors (see below), whose sum is σ = 1229400. Its totient is φ = 396024.

The previous prime is 805811. The next prime is 805843. The reversal of 805822 is 228508.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3297 + ... + 3532.

It is an arithmetic number, because the mean of its divisors is an integer number (153675).

2⁸⁰⁵⁸²² is an apocalyptic number.

805822 is a deficient number, since it is larger than the sum of its proper divisors (423578).

805822 is a wasteful number, since it uses less digits than its factorization.

805822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6890.

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 805822 is about 897.6758880576. The cubic root of 805822 is about 93.0564270044.

The spelling of 805822 in words is "eight hundred five thousand, eight hundred twenty-two".