5666226522223 has 2 divisors, whose sum is σ = 5666226522224. Its totient is φ = 5666226522222.

The previous prime is 5666226522199. The next prime is 5666226522259. The reversal of 5666226522223 is 3222256226665.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5666226522223 is a prime.

It is a super-2 number, since 2×5666226522223² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5666226522623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2833113261111 + 2833113261112.

It is an arithmetic number, because the mean of its divisors is an integer number (2833113261112).

Almost surely, 2^{5666226522223} is an apocalyptic number.

5666226522223 is a deficient number, since it is larger than the sum of its proper divisors (1).

5666226522223 is an equidigital number, since it uses as much as digits as its factorization.

5666226522223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6220800, while the sum is 49.

The spelling of 5666226522223 in words is "five trillion, six hundred sixty-six billion, two hundred twenty-six million, five hundred twenty-two thousand, two hundred twenty-three".