22102022209 has 2 divisors, whose sum is σ = 22102022210. Its totient is φ = 22102022208.

The previous prime is 22102022197. The next prime is 22102022219. The reversal of 22102022209 is 90222020122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18981123984 + 3120898225 = 137772^2 + 55865^2 .

It is a cyclic number.

It is not a de Polignac number, because 22102022209 - 2⁷ = 22102022081 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22102022209.

It is not a weakly prime, because it can be changed into another prime (22102022219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11051011104 + 11051011105.

It is an arithmetic number, because the mean of its divisors is an integer number (11051011105).

Almost surely, 2^22102022209 is an apocalyptic number.

It is an amenable number.

22102022209 is a deficient number, since it is larger than the sum of its proper divisors (1).

22102022209 is an equidigital number, since it uses as much as digits as its factorization.

22102022209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

The spelling of 22102022209 in words is "twenty-two billion, one hundred two million, twenty-two thousand, two hundred nine".