822856068 has 18 divisors (see below), whose sum is σ = 2079997374. Its totient is φ = 274285344.

The previous prime is 822856051. The next prime is 822856087. The reversal of 822856068 is 860658228.

822856068 is a `hidden beast` number, since 8 + 2 + 28 + 560 + 68 = 666.

It can be written as a sum of positive squares in only one way, i.e., 496041984 + 326814084 = 22272^2 + 18078^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11428521 + ... + 11428592.

Almost surely, 2^822856068 is an apocalyptic number.

It is an amenable number.

822856068 is an abundant number, since it is smaller than the sum of its proper divisors (1257141306).

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

822856068 is a wasteful number, since it uses less digits than its factorization.

822856068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22857123 (or 22857118 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The square root of 822856068 is about 28685.4678888109. The cubic root of 822856068 is about 937.0755907242.

The spelling of 822856068 in words is "eight hundred twenty-two million, eight hundred fifty-six thousand, sixty-eight".