22111340444 has 24 divisors (see below), whose sum is σ = 41236328448. Its totient is φ = 10349987120.

The previous prime is 22111340441. The next prime is 22111340453. The reversal of 22111340444 is 44404311122.

It is a super-2 number, since 2×22111340444² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22111340441) 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, 2552492 + ... + 2561139.

It is an arithmetic number, because the mean of its divisors is an integer number (1718180352).

Almost surely, 2^22111340444 is an apocalyptic number.

It is an amenable number.

22111340444 is a deficient number, since it is larger than the sum of its proper divisors (19124988004).

22111340444 is a wasteful number, since it uses less digits than its factorization.

22111340444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5113705 (or 5113703 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 22111340444 its reverse (44404311122), we get a palindrome (66515651566).

The spelling of 22111340444 in words is "twenty-two billion, one hundred eleven million, three hundred forty thousand, four hundred forty-four".