22434423444289 has 2 divisors, whose sum is σ = 22434423444290. Its totient is φ = 22434423444288.

The previous prime is 22434423444281. The next prime is 22434423444317. The reversal of 22434423444289 is 98244432443422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18865271235889 + 3569152208400 = 4343417^2 + 1889220^2 .

It is a cyclic number.

It is not a de Polignac number, because 22434423444289 - 2³ = 22434423444281 is a prime.

It is not a weakly prime, because it can be changed into another prime (22434423444281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11217211722144 + 11217211722145.

It is an arithmetic number, because the mean of its divisors is an integer number (11217211722145).

Almost surely, 2^{22434423444289} is an apocalyptic number.

It is an amenable number.

22434423444289 is a deficient number, since it is larger than the sum of its proper divisors (1).

22434423444289 is an equidigital number, since it uses as much as digits as its factorization.

22434423444289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42467328, while the sum is 55.

The spelling of 22434423444289 in words is "twenty-two trillion, four hundred thirty-four billion, four hundred twenty-three million, four hundred forty-four thousand, two hundred eighty-nine".