822985065 has 24 divisors (see below), whose sum is σ = 1630294848. Its totient is φ = 376221600.

The previous prime is 822985061. The next prime is 822985073. The reversal of 822985065 is 560589228.

It is not a de Polignac number, because 822985065 - 2² = 822985061 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 822985065.

It is not an unprimeable number, because it can be changed into a prime (822985061) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1306011 + ... + 1306640.

It is an arithmetic number, because the mean of its divisors is an integer number (67928952).

Almost surely, 2^822985065 is an apocalyptic number.

It is an amenable number.

822985065 is a deficient number, since it is larger than the sum of its proper divisors (807309783).

822985065 is a wasteful number, since it uses less digits than its factorization.

822985065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2612669 (or 2612666 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The square root of 822985065 is about 28687.7162736946. The cubic root of 822985065 is about 937.1245557978.

The spelling of 822985065 in words is "eight hundred twenty-two million, nine hundred eighty-five thousand, sixty-five".