22056666611 has 4 divisors (see below), whose sum is σ = 25207618992. Its totient is φ = 18905714232.

The previous prime is 22056666607. The next prime is 22056666623. The reversal of 22056666611 is 11666665022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22056666611 - 2² = 22056666607 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22056668611) by changing a digit.

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, 1575476180 + ... + 1575476193.

It is an arithmetic number, because the mean of its divisors is an integer number (6301904748).

Almost surely, 2^22056666611 is an apocalyptic number.

22056666611 is a deficient number, since it is larger than the sum of its proper divisors (3150952381).

22056666611 is an equidigital number, since it uses as much as digits as its factorization.

22056666611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3150952380.

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 22056666611 in words is "twenty-two billion, fifty-six million, six hundred sixty-six thousand, six hundred eleven".