22305045617 has 2 divisors, whose sum is σ = 22305045618. Its totient is φ = 22305045616.

The previous prime is 22305045559. The next prime is 22305045641. The reversal of 22305045617 is 71654050322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21962943601 + 342102016 = 148199^2 + 18496^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22305045617 is a prime.

It is not a weakly prime, because it can be changed into another prime (22305045017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11152522808 + 11152522809.

It is an arithmetic number, because the mean of its divisors is an integer number (11152522809).

Almost surely, 2^22305045617 is an apocalyptic number.

It is an amenable number.

22305045617 is a deficient number, since it is larger than the sum of its proper divisors (1).

22305045617 is an equidigital number, since it uses as much as digits as its factorization.

22305045617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50400, while the sum is 35.

Adding to 22305045617 its reverse (71654050322), we get a palindrome (93959095939).

The spelling of 22305045617 in words is "twenty-two billion, three hundred five million, forty-five thousand, six hundred seventeen".