822716 has 12 divisors (see below), whose sum is σ = 1456560. Its totient is φ = 406560.

The previous prime is 822713. The next prime is 822721. The reversal of 822716 is 617228.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 822716.

It is not an unprimeable number, because it can be changed into a prime (822713) 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, 800 + ... + 1511.

It is an arithmetic number, because the mean of its divisors is an integer number (121380).

2⁸²²⁷¹⁶ is an apocalyptic number.

It is an amenable number.

822716 is a deficient number, since it is larger than the sum of its proper divisors (633844).

822716 is a wasteful number, since it uses less digits than its factorization.

822716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2404 (or 2402 counting only the distinct ones).

The product of its digits is 1344, while the sum is 26.

The square root of 822716 is about 907.0369341984. The cubic root of 822716 is about 93.7022417491.

The spelling of 822716 in words is "eight hundred twenty-two thousand, seven hundred sixteen".