8185222297 has 12 divisors (see below), whose sum is σ = 9571447296. Its totient is φ = 6979164360.

The previous prime is 8185222277. The next prime is 8185222307. The reversal of 8185222297 is 7922225818.

It is a de Polignac number, because none of the positive numbers 2^k-8185222297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8185222217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 427933 + ... + 446650.

It is an arithmetic number, because the mean of its divisors is an integer number (797620608).

Almost surely, 2^8185222297 is an apocalyptic number.

It is an amenable number.

8185222297 is a deficient number, since it is larger than the sum of its proper divisors (1386224999).

8185222297 is a wasteful number, since it uses less digits than its factorization.

8185222297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874788 (or 874781 counting only the distinct ones).

The product of its digits is 322560, while the sum is 46.

The square root of 8185222297 is about 90472.2183711663. The cubic root of 8185222297 is about 2015.3175778268.

The spelling of 8185222297 in words is "eight billion, one hundred eighty-five million, two hundred twenty-two thousand, two hundred ninety-seven".