22143112441 has 4 divisors (see below), whose sum is σ = 22145660800. Its totient is φ = 22140564084.

The previous prime is 22143112427. The next prime is 22143112451. The reversal of 22143112441 is 14421134122.

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 22143112441 - 2⁹ = 22143111929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22143112451) 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, 1261101 + ... + 1278538.

It is an arithmetic number, because the mean of its divisors is an integer number (5536415200).

Almost surely, 2^22143112441 is an apocalyptic number.

It is an amenable number.

22143112441 is a deficient number, since it is larger than the sum of its proper divisors (2548359).

22143112441 is an equidigital number, since it uses as much as digits as its factorization.

22143112441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2548358.

The product of its digits is 1536, while the sum is 25.

Adding to 22143112441 its reverse (14421134122), we get a palindrome (36564246563).

The spelling of 22143112441 in words is "twenty-two billion, one hundred forty-three million, one hundred twelve thousand, four hundred forty-one".