22011023189 has 2 divisors, whose sum is σ = 22011023190. Its totient is φ = 22011023188.

The previous prime is 22011023149. The next prime is 22011023227. The reversal of 22011023189 is 98132011022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20204348164 + 1806675025 = 142142^2 + 42505^2 .

It is a cyclic number.

It is not a de Polignac number, because 22011023189 - 2⁸ = 22011022933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22011023149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11005511594 + 11005511595.

It is an arithmetic number, because the mean of its divisors is an integer number (11005511595).

Almost surely, 2^22011023189 is an apocalyptic number.

It is an amenable number.

22011023189 is a deficient number, since it is larger than the sum of its proper divisors (1).

22011023189 is an equidigital number, since it uses as much as digits as its factorization.

22011023189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 29.

The spelling of 22011023189 in words is "twenty-two billion, eleven million, twenty-three thousand, one hundred eighty-nine".