822969 has 12 divisors (see below), whose sum is σ = 1358656. Its totient is φ = 470232.

The previous prime is 822949. The next prime is 822971. The reversal of 822969 is 969228.

It is not a de Polignac number, because 822969 - 2⁸ = 822713 is a prime.

It is a super-3 number, since 3×822969³ = 1672136333327037627, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 7.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 822969.

It is not an unprimeable number, because it can be changed into a prime (822949) 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 11 ways as a sum of consecutive naturals, for example, 6469 + ... + 6594.

2⁸²²⁹⁶⁹ is an apocalyptic number.

It is an amenable number.

822969 is a deficient number, since it is larger than the sum of its proper divisors (535687).

822969 is a wasteful number, since it uses less digits than its factorization.

822969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13076 (or 13073 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 822969 is about 907.1763885816. The cubic root of 822969 is about 93.7118458075.

The spelling of 822969 in words is "eight hundred twenty-two thousand, nine hundred sixty-nine".