22039118209 has 6 divisors (see below), whose sum is σ = 22058775830. Its totient is φ = 22019469600.

The previous prime is 22039118203. The next prime is 22039118263. The reversal of 22039118209 is 90281193022.

It can be written as a sum of positive squares in 3 ways, for example, as 7289744400 + 14749373809 = 85380^2 + 121447^2 .

It is not a de Polignac number, because 22039118209 - 2³ = 22039118201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22039118201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5953059 + ... + 5956759.

Almost surely, 2^22039118209 is an apocalyptic number.

It is an amenable number.

22039118209 is a deficient number, since it is larger than the sum of its proper divisors (19657621).

22039118209 is an frugal number, since it uses more digits than its factorization.

22039118209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9011 (or 5310 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 37.

The spelling of 22039118209 in words is "twenty-two billion, thirty-nine million, one hundred eighteen thousand, two hundred nine".