22740257329 has 2 divisors, whose sum is σ = 22740257330. Its totient is φ = 22740257328.

The previous prime is 22740257311. The next prime is 22740257357. The reversal of 22740257329 is 92375204722.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22733703729 + 6553600 = 150777^2 + 2560^2 .

It is a cyclic number.

It is not a de Polignac number, because 22740257329 - 2⁹ = 22740256817 is a prime.

It is not a weakly prime, because it can be changed into another prime (22740257429) 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, 11370128664 + 11370128665.

It is an arithmetic number, because the mean of its divisors is an integer number (11370128665).

Almost surely, 2^22740257329 is an apocalyptic number.

It is an amenable number.

22740257329 is a deficient number, since it is larger than the sum of its proper divisors (1).

22740257329 is an equidigital number, since it uses as much as digits as its factorization.

22740257329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 423360, while the sum is 43.

The spelling of 22740257329 in words is "twenty-two billion, seven hundred forty million, two hundred fifty-seven thousand, three hundred twenty-nine".