22666666666 has 12 divisors (see below), whose sum is σ = 39551020578. Its totient is φ = 9714285672.

The previous prime is 22666666663. The next prime is 22666666667. The reversal of 22666666666 is 66666666622.

It can be written as a sum of positive squares in only one way, i.e., 22329026041 + 337640625 = 149429^2 + 18375^2 .

22666666666 is a modest number, since divided by 666666 gives 22666 as remainder.

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 22666666666.

It is not an unprimeable number, because it can be changed into a prime (22666666663) 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, 115646161 + ... + 115646356.

Almost surely, 2^22666666666 is an apocalyptic number.

22666666666 is a deficient number, since it is larger than the sum of its proper divisors (16884353912).

22666666666 is a wasteful number, since it uses less digits than its factorization.

22666666666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231292533 (or 231292526 counting only the distinct ones).

The product of its digits is 40310784, while the sum is 58.

The spelling of 22666666666 in words is "twenty-two billion, six hundred sixty-six million, six hundred sixty-six thousand, six hundred sixty-six".