22073237009 has 2 divisors, whose sum is σ = 22073237010. Its totient is φ = 22073237008.

The previous prime is 22073236979. The next prime is 22073237071. The reversal of 22073237009 is 90073237022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21162102784 + 911134225 = 145472^2 + 30185^2 .

It is a cyclic number.

It is not a de Polignac number, because 22073237009 - 2⁸ = 22073236753 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22073237009.

It is not a weakly prime, because it can be changed into another prime (22073237089) 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, 11036618504 + 11036618505.

It is an arithmetic number, because the mean of its divisors is an integer number (11036618505).

Almost surely, 2^22073237009 is an apocalyptic number.

It is an amenable number.

22073237009 is a deficient number, since it is larger than the sum of its proper divisors (1).

22073237009 is an equidigital number, since it uses as much as digits as its factorization.

22073237009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31752, while the sum is 35.

The spelling of 22073237009 in words is "twenty-two billion, seventy-three million, two hundred thirty-seven thousand, nine".