822916 has 12 divisors (see below), whose sum is σ = 1446480. Its totient is φ = 409640.

The previous prime is 822907. The next prime is 822949. The reversal of 822916 is 619228.

It is a happy number.

It is an unprimeable number.

822916 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 3 ways as a sum of consecutive naturals, for example, 1431 + ... + 1921.

It is an arithmetic number, because the mean of its divisors is an integer number (120540).

2⁸²²⁹¹⁶ is an apocalyptic number.

It is an amenable number.

822916 is a deficient number, since it is larger than the sum of its proper divisors (623564).

822916 is a wasteful number, since it uses less digits than its factorization.

822916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914 (or 912 counting only the distinct ones).

The product of its digits is 1728, while the sum is 28.

The square root of 822916 is about 907.1471765926. The cubic root of 822916 is about 93.7098340531.

The spelling of 822916 in words is "eight hundred twenty-two thousand, nine hundred sixteen".