2604422666 has 8 divisors (see below), whose sum is σ = 3906851520. Its totient is φ = 1302138828.

The previous prime is 2604422647. The next prime is 2604422669. The reversal of 2604422666 is 6662244062.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (2604422669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45695 + ... + 85421.

It is an arithmetic number, because the mean of its divisors is an integer number (488356440).

Almost surely, 2^2604422666 is an apocalyptic number.

2604422666 is a deficient number, since it is larger than the sum of its proper divisors (1302428854).

2604422666 is a wasteful number, since it uses less digits than its factorization.

2604422666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72508.

The product of its (nonzero) digits is 165888, while the sum is 38.

The square root of 2604422666 is about 51033.5445173074. The cubic root of 2604422666 is about 1375.8481010916.

The spelling of 2604422666 in words is "two billion, six hundred four million, four hundred twenty-two thousand, six hundred sixty-six".