22244111143 has 4 divisors (see below), whose sum is σ = 22244462568. Its totient is φ = 22243759720.

The previous prime is 22244111107. The next prime is 22244111171. The reversal of 22244111143 is 34111144222.

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

It is a cyclic number.

It is not a de Polignac number, because 22244111143 - 2²¹ = 22242013991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22244171143) 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, 51496 + ... + 217117.

It is an arithmetic number, because the mean of its divisors is an integer number (5561115642).

Almost surely, 2^22244111143 is an apocalyptic number.

22244111143 is a deficient number, since it is larger than the sum of its proper divisors (351425).

22244111143 is an equidigital number, since it uses as much as digits as its factorization.

22244111143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351424.

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

Adding to 22244111143 its reverse (34111144222), we get a palindrome (56355255365).

The spelling of 22244111143 in words is "twenty-two billion, two hundred forty-four million, one hundred eleven thousand, one hundred forty-three".