22066888289 has 2 divisors, whose sum is σ = 22066888290. Its totient is φ = 22066888288.

The previous prime is 22066888273. The next prime is 22066888313. The reversal of 22066888289 is 98288866022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13349491600 + 8717396689 = 115540^2 + 93367^2 .

It is a cyclic number.

It is not a de Polignac number, because 22066888289 - 2⁴ = 22066888273 is a prime.

It is not a weakly prime, because it can be changed into another prime (22066888219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11033444144 + 11033444145.

It is an arithmetic number, because the mean of its divisors is an integer number (11033444145).

Almost surely, 2^22066888289 is an apocalyptic number.

It is an amenable number.

22066888289 is a deficient number, since it is larger than the sum of its proper divisors (1).

22066888289 is an equidigital number, since it uses as much as digits as its factorization.

22066888289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10616832, while the sum is 59.

The spelling of 22066888289 in words is "twenty-two billion, sixty-six million, eight hundred eighty-eight thousand, two hundred eighty-nine".