822868995 has 32 divisors (see below), whose sum is σ = 1419264000. Its totient is φ = 404705664.

The previous prime is 822868993. The next prime is 822869041. The reversal of 822868995 is 599868228.

It is not a de Polignac number, because 822868995 - 2¹ = 822868993 is a prime.

It is a super-2 number, since 2×822868995² = 1354226765864620050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (822868993) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 341806 + ... + 344204.

It is an arithmetic number, because the mean of its divisors is an integer number (44352000).

Almost surely, 2^822868995 is an apocalyptic number.

822868995 is a deficient number, since it is larger than the sum of its proper divisors (596395005).

822868995 is a wasteful number, since it uses less digits than its factorization.

822868995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4179.

The product of its digits is 4976640, while the sum is 57.

The square root of 822868995 is about 28685.6932110765. The cubic root of 822868995 is about 937.0804978249.

The spelling of 822868995 in words is "eight hundred twenty-two million, eight hundred sixty-eight thousand, nine hundred ninety-five".