8186157222 has 16 divisors (see below), whose sum is σ = 16373558592. Its totient is φ = 2728511720.

The previous prime is 8186157209. The next prime is 8186157223. The reversal of 8186157222 is 2227516818.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8186157223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48697 + ... + 136907.

It is an arithmetic number, because the mean of its divisors is an integer number (1023347412).

Almost surely, 2^8186157222 is an apocalyptic number.

8186157222 is an abundant number, since it is smaller than the sum of its proper divisors (8187401370).

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

8186157222 is a wasteful number, since it uses less digits than its factorization.

8186157222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103683.

The product of its digits is 107520, while the sum is 42.

The square root of 8186157222 is about 90477.3851412606. The cubic root of 8186157222 is about 2015.3943054947.

The spelling of 8186157222 in words is "eight billion, one hundred eighty-six million, one hundred fifty-seven thousand, two hundred twenty-two".