22042094017 has 2 divisors, whose sum is σ = 22042094018. Its totient is φ = 22042094016.

The previous prime is 22042093993. The next prime is 22042094153. The reversal of 22042094017 is 71049024022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14141728561 + 7900365456 = 118919^2 + 88884^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22042094017 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22042094017.

It is not a weakly prime, because it can be changed into another prime (22042094317) 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, 11021047008 + 11021047009.

It is an arithmetic number, because the mean of its divisors is an integer number (11021047009).

Almost surely, 2^22042094017 is an apocalyptic number.

It is an amenable number.

22042094017 is a deficient number, since it is larger than the sum of its proper divisors (1).

22042094017 is an equidigital number, since it uses as much as digits as its factorization.

22042094017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 31.

The spelling of 22042094017 in words is "twenty-two billion, forty-two million, ninety-four thousand, seventeen".