266676666222 has 32 divisors (see below), whose sum is σ = 534049224192. Its totient is φ = 88776321984.

The previous prime is 266676666199. The next prime is 266676666227. The reversal of 266676666222 is 222666676662.

It is a super-2 number, since 2×266676666222² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266676666227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15444618 + ... + 15461874.

It is an arithmetic number, because the mean of its divisors is an integer number (16689038256).

Almost surely, 2^266676666222 is an apocalyptic number.

266676666222 is an abundant number, since it is smaller than the sum of its proper divisors (267372557970).

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

266676666222 is a wasteful number, since it uses less digits than its factorization.

266676666222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20472.

The product of its digits is 31352832, while the sum is 57.

The spelling of 266676666222 in words is "two hundred sixty-six billion, six hundred seventy-six million, six hundred sixty-six thousand, two hundred twenty-two".