822853668 has 72 divisors (see below), whose sum is σ = 2405286912. Its totient is φ = 217014336.

The previous prime is 822853663. The next prime is 822853679. The reversal of 822853668 is 866358228.

It is not an unprimeable number, because it can be changed into a prime (822853663) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46180 + ... + 61467.

Almost surely, 2^822853668 is an apocalyptic number.

It is an amenable number.

822853668 is an abundant number, since it is smaller than the sum of its proper divisors (1582433244).

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

822853668 is a wasteful number, since it uses less digits than its factorization.

822853668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107681 (or 107672 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 48.

The square root of 822853668 is about 28685.4260557517. The cubic root of 822853668 is about 937.0746796764.

The spelling of 822853668 in words is "eight hundred twenty-two million, eight hundred fifty-three thousand, six hundred sixty-eight".