22112200109 has 4 divisors (see below), whose sum is σ = 22114989120. Its totient is φ = 22109411100.

The previous prime is 22112200091. The next prime is 22112200141. The reversal of 22112200109 is 90100221122.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22112200109 - 2²⁴ = 22095422893 is a prime.

It is a super-2 number, since 2×22112200109² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22112200709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1382579 + ... + 1398480.

It is an arithmetic number, because the mean of its divisors is an integer number (5528747280).

Almost surely, 2^22112200109 is an apocalyptic number.

It is an amenable number.

22112200109 is a deficient number, since it is larger than the sum of its proper divisors (2789011).

22112200109 is an equidigital number, since it uses as much as digits as its factorization.

22112200109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2789010.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 22112200109 in words is "twenty-two billion, one hundred twelve million, two hundred thousand, one hundred nine".