22909644111 has 4 divisors (see below), whose sum is σ = 30546192152. Its totient is φ = 15273096072.

The previous prime is 22909644077. The next prime is 22909644137. The reversal of 22909644111 is 11144690922.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 22909644111 - 2⁷ = 22909643983 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22909644111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22909644151) 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 3 ways as a sum of consecutive naturals, for example, 3818274016 + ... + 3818274021.

It is an arithmetic number, because the mean of its divisors is an integer number (7636548038).

Almost surely, 2^22909644111 is an apocalyptic number.

22909644111 is a deficient number, since it is larger than the sum of its proper divisors (7636548041).

22909644111 is an equidigital number, since it uses as much as digits as its factorization.

22909644111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7636548040.

The product of its (nonzero) digits is 31104, while the sum is 39.

The spelling of 22909644111 in words is "twenty-two billion, nine hundred nine million, six hundred forty-four thousand, one hundred eleven".