822856468 has 48 divisors (see below), whose sum is σ = 1701293440. Its totient is φ = 340868736.

The previous prime is 822856453. The next prime is 822856481. The reversal of 822856468 is 864658228.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160123 + ... + 165181.

Almost surely, 2^822856468 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 822856468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (850646720).

822856468 is an abundant number, since it is smaller than the sum of its proper divisors (878436972).

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

822856468 is a wasteful number, since it uses less digits than its factorization.

822856468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5264 (or 5262 counting only the distinct ones).

The product of its digits is 1474560, while the sum is 49.

The square root of 822856468 is about 28685.4748609815. The cubic root of 822856468 is about 937.0757425653.

The spelling of 822856468 in words is "eight hundred twenty-two million, eight hundred fifty-six thousand, four hundred sixty-eight".