822808 has 24 divisors (see below), whose sum is σ = 1795500. Its totient is φ = 352464.

The previous prime is 822803. The next prime is 822821. The reversal of 822808 is 808228.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (822803) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 658 + ... + 1441.

2⁸²²⁸⁰⁸ is an apocalyptic number.

It is an amenable number.

822808 is an abundant number, since it is smaller than the sum of its proper divisors (972692).

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

822808 is a wasteful number, since it uses less digits than its factorization.

822808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2119 (or 2108 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 28.

The square root of 822808 is about 907.0876473638. The cubic root of 822808 is about 93.7057343618.

The spelling of 822808 in words is "eight hundred twenty-two thousand, eight hundred eight".