22042401289 has 2 divisors, whose sum is σ = 22042401290. Its totient is φ = 22042401288.

The previous prime is 22042401151. The next prime is 22042401317. The reversal of 22042401289 is 98210424022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14428093689 + 7614307600 = 120117^2 + 87260^2 .

It is a cyclic number.

It is not a de Polignac number, because 22042401289 - 2¹⁹ = 22041877001 is a prime.

It is not a weakly prime, because it can be changed into another prime (22042401089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11021200644 + 11021200645.

It is an arithmetic number, because the mean of its divisors is an integer number (11021200645).

Almost surely, 2^22042401289 is an apocalyptic number.

It is an amenable number.

22042401289 is a deficient number, since it is larger than the sum of its proper divisors (1).

22042401289 is an equidigital number, since it uses as much as digits as its factorization.

22042401289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 34.

The spelling of 22042401289 in words is "twenty-two billion, forty-two million, four hundred one thousand, two hundred eighty-nine".