2204666422666 has 8 divisors (see below), whose sum is σ = 3314854741284. Its totient is φ = 1099714842240.

The previous prime is 2204666422657. The next prime is 2204666422681. The reversal of 2204666422666 is 6662246664022.

It can be written as a sum of positive squares in 2 ways, for example, as 1682522888641 + 522143534025 = 1297121^2 + 722595^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1309183495 + ... + 1309185178.

Almost surely, 2^{2204666422666} is an apocalyptic number.

2204666422666 is a deficient number, since it is larger than the sum of its proper divisors (1110188318618).

2204666422666 is a wasteful number, since it uses less digits than its factorization.

2204666422666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2618369096.

The product of its (nonzero) digits is 11943936, while the sum is 52.

The spelling of 2204666422666 in words is "two trillion, two hundred four billion, six hundred sixty-six million, four hundred twenty-two thousand, six hundred sixty-six".