22666322011 has 8 divisors (see below), whose sum is σ = 22980202560. Its totient is φ = 22353412872.

The previous prime is 22666321999. The next prime is 22666322017. The reversal of 22666322011 is 11022366622.

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

It is a cyclic number.

It is not a de Polignac number, because 22666322011 - 2⁷ = 22666321883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22666322017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195801 + ... + 289258.

It is an arithmetic number, because the mean of its divisors is an integer number (2872525320).

Almost surely, 2^22666322011 is an apocalyptic number.

22666322011 is a deficient number, since it is larger than the sum of its proper divisors (313880549).

22666322011 is an equidigital number, since it uses as much as digits as its factorization.

22666322011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485705.

The product of its (nonzero) digits is 10368, while the sum is 31.

Adding to 22666322011 its reverse (11022366622), we get a palindrome (33688688633).

The spelling of 22666322011 in words is "twenty-two billion, six hundred sixty-six million, three hundred twenty-two thousand, eleven".