22940394517 has 2 divisors, whose sum is σ = 22940394518. Its totient is φ = 22940394516.

The previous prime is 22940394487. The next prime is 22940394559. The reversal of 22940394517 is 71549304922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22914087876 + 26306641 = 151374^2 + 5129^2 .

It is a cyclic number.

It is not a de Polignac number, because 22940394517 - 2¹¹ = 22940392469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22940398517) 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, 11470197258 + 11470197259.

It is an arithmetic number, because the mean of its divisors is an integer number (11470197259).

Almost surely, 2^22940394517 is an apocalyptic number.

It is an amenable number.

22940394517 is a deficient number, since it is larger than the sum of its proper divisors (1).

22940394517 is an equidigital number, since it uses as much as digits as its factorization.

22940394517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 46.

The spelling of 22940394517 in words is "twenty-two billion, nine hundred forty million, three hundred ninety-four thousand, five hundred seventeen".