266668222 has 16 divisors (see below), whose sum is σ = 424215792. Its totient is φ = 125288320.

The previous prime is 266668219. The next prime is 266668247. The reversal of 266668222 is 222866662.

It is a super-2 number, since 2×266668222² = 142223881249282568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16197 + ... + 28207.

It is an arithmetic number, because the mean of its divisors is an integer number (26513487).

Almost surely, 2^266668222 is an apocalyptic number.

266668222 is a deficient number, since it is larger than the sum of its proper divisors (157547570).

266668222 is a wasteful number, since it uses less digits than its factorization.

266668222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12683.

The product of its digits is 165888, while the sum is 40.

The square root of 266668222 is about 16329.9792406482. The cubic root of 266668222 is about 643.6608411162.

The spelling of 266668222 in words is "two hundred sixty-six million, six hundred sixty-eight thousand, two hundred twenty-two".