22120122009 has 8 divisors (see below), whose sum is σ = 29785511232. Its totient is φ = 14600740400.

The previous prime is 22120122007. The next prime is 22120122047. The reversal of 22120122009 is 90022102122.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22120122009 - 2¹ = 22120122007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22120122001) 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 in 7 ways as a sum of consecutive naturals, for example, 36501549 + ... + 36502154.

It is an arithmetic number, because the mean of its divisors is an integer number (3723188904).

Almost surely, 2^22120122009 is an apocalyptic number.

It is an amenable number.

22120122009 is a deficient number, since it is larger than the sum of its proper divisors (7665389223).

22120122009 is a wasteful number, since it uses less digits than its factorization.

22120122009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73003807.

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

The spelling of 22120122009 in words is "twenty-two billion, one hundred twenty million, one hundred twenty-two thousand, nine".