22045907473 has 2 divisors, whose sum is σ = 22045907474. Its totient is φ = 22045907472.

The previous prime is 22045907447. The next prime is 22045907497. The reversal of 22045907473 is 37470954022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20519989504 + 1525917969 = 143248^2 + 39063^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22045907473 is a prime.

It is not a weakly prime, because it can be changed into another prime (22045907773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11022953736 + 11022953737.

It is an arithmetic number, because the mean of its divisors is an integer number (11022953737).

Almost surely, 2^22045907473 is an apocalyptic number.

It is an amenable number.

22045907473 is a deficient number, since it is larger than the sum of its proper divisors (1).

22045907473 is an equidigital number, since it uses as much as digits as its factorization.

22045907473 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 22045907473 in words is "twenty-two billion, forty-five million, nine hundred seven thousand, four hundred seventy-three".