8516222712 has 96 divisors (see below), whose sum is σ = 25178025600. Its totient is φ = 2689321824.

The previous prime is 8516222707. The next prime is 8516222773. The reversal of 8516222712 is 2172226158.

It is a happy number.

8516222712 is a `hidden beast` number, since 8 + 5 + 1 + 622 + 27 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78348 + ... + 152219.

It is an arithmetic number, because the mean of its divisors is an integer number (262271100).

Almost surely, 2^8516222712 is an apocalyptic number.

It is an amenable number.

8516222712 is an abundant number, since it is smaller than the sum of its proper divisors (16661802888).

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

8516222712 is a wasteful number, since it uses less digits than its factorization.

8516222712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230607 (or 230591 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 8516222712 is about 92283.3826428139. The cubic root of 8516222712 is about 2042.1250692824.

The spelling of 8516222712 in words is "eight billion, five hundred sixteen million, two hundred twenty-two thousand, seven hundred twelve".