22005523009 has 2 divisors, whose sum is σ = 22005523010. Its totient is φ = 22005523008.

The previous prime is 22005522997. The next prime is 22005523051. The reversal of 22005523009 is 90032550022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20513400625 + 1492122384 = 143225^2 + 38628^2 .

It is a cyclic number.

It is not a de Polignac number, because 22005523009 - 2⁷ = 22005522881 is a prime.

It is not a weakly prime, because it can be changed into another prime (22005523069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11002761504 + 11002761505.

It is an arithmetic number, because the mean of its divisors is an integer number (11002761505).

Almost surely, 2^22005523009 is an apocalyptic number.

It is an amenable number.

22005523009 is a deficient number, since it is larger than the sum of its proper divisors (1).

22005523009 is an equidigital number, since it uses as much as digits as its factorization.

22005523009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 28.

The spelling of 22005523009 in words is "twenty-two billion, five million, five hundred twenty-three thousand, nine".