22434423444281 has 2 divisors, whose sum is σ = 22434423444282. Its totient is φ = 22434423444280.

The previous prime is 22434423444247. The next prime is 22434423444289. The reversal of 22434423444281 is 18244432443422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13383597889600 + 9050825554681 = 3658360^2 + 3008459^2 .

It is a cyclic number.

It is not a de Polignac number, because 22434423444281 - 2¹⁸ = 22434423182137 is a prime.

It is a super-2 number, since 2×22434423444281² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22434423444289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11217211722140 + 11217211722141.

It is an arithmetic number, because the mean of its divisors is an integer number (11217211722141).

Almost surely, 2^{22434423444281} is an apocalyptic number.

It is an amenable number.

22434423444281 is a deficient number, since it is larger than the sum of its proper divisors (1).

22434423444281 is an equidigital number, since it uses as much as digits as its factorization.

22434423444281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4718592, while the sum is 47.

The spelling of 22434423444281 in words is "twenty-two trillion, four hundred thirty-four billion, four hundred twenty-three million, four hundred forty-four thousand, two hundred eighty-one".