22242134449 has 2 divisors, whose sum is σ = 22242134450. Its totient is φ = 22242134448.

The previous prime is 22242134413. The next prime is 22242134503. The reversal of 22242134449 is 94443124222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20508244849 + 1733889600 = 143207^2 + 41640^2 .

It is a cyclic number.

It is not a de Polignac number, because 22242134449 - 2⁹ = 22242133937 is a prime.

It is not a weakly prime, because it can be changed into another prime (22242131449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11121067224 + 11121067225.

It is an arithmetic number, because the mean of its divisors is an integer number (11121067225).

Almost surely, 2^22242134449 is an apocalyptic number.

It is an amenable number.

22242134449 is a deficient number, since it is larger than the sum of its proper divisors (1).

22242134449 is an equidigital number, since it uses as much as digits as its factorization.

22242134449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 110592, while the sum is 37.

The spelling of 22242134449 in words is "twenty-two billion, two hundred forty-two million, one hundred thirty-four thousand, four hundred forty-nine".