22066812653 has 2 divisors, whose sum is σ = 22066812654. Its totient is φ = 22066812652.

The previous prime is 22066812641. The next prime is 22066812661. The reversal of 22066812653 is 35621866022.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21525878089 + 540934564 = 146717^2 + 23258^2 .

It is a cyclic number.

It is not a de Polignac number, because 22066812653 - 2⁴ = 22066812637 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22066812653.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22066812613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11033406326 + 11033406327.

It is an arithmetic number, because the mean of its divisors is an integer number (11033406327).

Almost surely, 2^22066812653 is an apocalyptic number.

It is an amenable number.

22066812653 is a deficient number, since it is larger than the sum of its proper divisors (1).

22066812653 is an equidigital number, since it uses as much as digits as its factorization.

22066812653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 22066812653 in words is "twenty-two billion, sixty-six million, eight hundred twelve thousand, six hundred fifty-three".