22204344209129 has 2 divisors, whose sum is σ = 22204344209130. Its totient is φ = 22204344209128.

The previous prime is 22204344209027. The next prime is 22204344209219. The reversal of 22204344209129 is 92190244340222.

Together with next prime (22204344209219) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20608285933225 + 1596058275904 = 4539635^2 + 1263352^2 .

It is a cyclic number.

It is not a de Polignac number, because 22204344209129 - 2⁴⁰ = 21104832581353 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22204344209129.

It is not a weakly prime, because it can be changed into another prime (22204344259129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11102172104564 + 11102172104565.

It is an arithmetic number, because the mean of its divisors is an integer number (11102172104565).

Almost surely, 2^{22204344209129} is an apocalyptic number.

It is an amenable number.

22204344209129 is a deficient number, since it is larger than the sum of its proper divisors (1).

22204344209129 is an equidigital number, since it uses as much as digits as its factorization.

22204344209129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 497664, while the sum is 44.

The spelling of 22204344209129 in words is "twenty-two trillion, two hundred four billion, three hundred forty-four million, two hundred nine thousand, one hundred twenty-nine".