22111334443 has 16 divisors (see below), whose sum is σ = 24916948992. Its totient is φ = 19439208000.

The previous prime is 22111334431. The next prime is 22111334477. The reversal of 22111334443 is 34443311122.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22111334443 - 2²⁹ = 21574463531 is a prime.

It is a super-2 number, since 2×22111334443² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22111334743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 483130 + ... + 526912.

It is an arithmetic number, because the mean of its divisors is an integer number (1557309312).

Almost surely, 2^22111334443 is an apocalyptic number.

22111334443 is a deficient number, since it is larger than the sum of its proper divisors (2805614549).

22111334443 is a wasteful number, since it uses less digits than its factorization.

22111334443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45306.

The product of its digits is 6912, while the sum is 28.

Adding to 22111334443 its reverse (34443311122), we get a palindrome (56554645565).

The spelling of 22111334443 in words is "twenty-two billion, one hundred eleven million, three hundred thirty-four thousand, four hundred forty-three".