22666172266 has 8 divisors (see below), whose sum is σ = 34000798500. Its totient is φ = 11332572768.

The previous prime is 22666172239. The next prime is 22666172317. The reversal of 22666172266 is 66227166622.

It can be written as a sum of positive squares in 2 ways, for example, as 22288997025 + 377175241 = 149295^2 + 19421^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198891 + ... + 291358.

Almost surely, 2^22666172266 is an apocalyptic number.

22666172266 is a deficient number, since it is larger than the sum of its proper divisors (11334626234).

22666172266 is a wasteful number, since it uses less digits than its factorization.

22666172266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513368.

The product of its digits is 870912, while the sum is 46.

The spelling of 22666172266 in words is "twenty-two billion, six hundred sixty-six million, one hundred seventy-two thousand, two hundred sixty-six".