22201202189 has 2 divisors, whose sum is σ = 22201202190. Its totient is φ = 22201202188.

The previous prime is 22201202159. The next prime is 22201202201. The reversal of 22201202189 is 98120210222.

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., 22116746089 + 84456100 = 148717^2 + 9190^2 .

It is a cyclic number.

It is not a de Polignac number, because 22201202189 - 2³² = 17906234893 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22201202119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11100601094 + 11100601095.

It is an arithmetic number, because the mean of its divisors is an integer number (11100601095).

Almost surely, 2^22201202189 is an apocalyptic number.

It is an amenable number.

22201202189 is a deficient number, since it is larger than the sum of its proper divisors (1).

22201202189 is an equidigital number, since it uses as much as digits as its factorization.

22201202189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 29.

The spelling of 22201202189 in words is "twenty-two billion, two hundred one million, two hundred two thousand, one hundred eighty-nine".