22011022209 has 16 divisors (see below), whose sum is σ = 32228066304. Its totient is φ = 13251666000.

The previous prime is 22011022181. The next prime is 22011022211. The reversal of 22011022209 is 90222011022.

It is a happy number.

It is not a de Polignac number, because 22011022209 - 2¹⁷ = 22010891137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22011022259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2203629 + ... + 2213594.

It is an arithmetic number, because the mean of its divisors is an integer number (2014254144).

Almost surely, 2^22011022209 is an apocalyptic number.

It is an amenable number.

22011022209 is a deficient number, since it is larger than the sum of its proper divisors (10217044095).

22011022209 is a wasteful number, since it uses less digits than its factorization.

22011022209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4417388.

The product of its (nonzero) digits is 288, while the sum is 21.

The spelling of 22011022209 in words is "twenty-two billion, eleven million, twenty-two thousand, two hundred nine".