22666322009 has 8 divisors (see below), whose sum is σ = 23140296000. Its totient is φ = 22194063216.

The previous prime is 22666321999. The next prime is 22666322017. The reversal of 22666322009 is 90022366622.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22666322009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22666322039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 402077 + ... + 454970.

It is an arithmetic number, because the mean of its divisors is an integer number (2892537000).

Almost surely, 2^22666322009 is an apocalyptic number.

It is an amenable number.

22666322009 is a deficient number, since it is larger than the sum of its proper divisors (473973991).

22666322009 is an equidigital number, since it uses as much as digits as its factorization.

22666322009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857599.

The product of its (nonzero) digits is 93312, while the sum is 38.

The spelling of 22666322009 in words is "twenty-two billion, six hundred sixty-six million, three hundred twenty-two thousand, nine".