8666226668 has 18 divisors (see below), whose sum is σ = 16669953468. Its totient is φ = 3939193720.

The previous prime is 8666226661. The next prime is 8666226707.

8666226668 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×8666226668² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8666226661) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8952230 + ... + 8953197.

It is an arithmetic number, because the mean of its divisors is an integer number (926108526).

Almost surely, 2^8666226668 is an apocalyptic number.

It is an amenable number.

8666226668 is a deficient number, since it is larger than the sum of its proper divisors (8003726800).

8666226668 is a wasteful number, since it uses less digits than its factorization.

8666226668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17905453 (or 17905440 counting only the distinct ones).

The product of its digits is 11943936, while the sum is 56.

The square root of 8666226668 is about 93092.5704232083. The cubic root of 8666226668 is about 2054.0452874121.

The spelling of 8666226668 in words is "eight billion, six hundred sixty-six million, two hundred twenty-six thousand, six hundred sixty-eight".