122204402189 has 2 divisors, whose sum is σ = 122204402190. Its totient is φ = 122204402188.

The previous prime is 122204402153. The next prime is 122204402207. The reversal of 122204402189 is 981204402221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102957556900 + 19246845289 = 320870^2 + 138733^2 .

It is a cyclic number.

It is not a de Polignac number, because 122204402189 - 2³² = 117909434893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122204452189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61102201094 + 61102201095.

It is an arithmetic number, because the mean of its divisors is an integer number (61102201095).

Almost surely, 2^122204402189 is an apocalyptic number.

It is an amenable number.

122204402189 is a deficient number, since it is larger than the sum of its proper divisors (1).

122204402189 is an equidigital number, since it uses as much as digits as its factorization.

122204402189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 35.

The spelling of 122204402189 in words is "one hundred twenty-two billion, two hundred four million, four hundred two thousand, one hundred eighty-nine".