22143322443 has 32 divisors (see below), whose sum is σ = 34126202880. Its totient is φ = 12622210560.

The previous prime is 22143322429. The next prime is 22143322457. The reversal of 22143322443 is 34422334122.

It is an interprime number because it is at equal distance from previous prime (22143322429) and next prime (22143322457).

It is not a de Polignac number, because 22143322443 - 2¹⁰ = 22143321419 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22143322443.

It is not an unprimeable number, because it can be changed into a prime (22143322543) 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 31 ways as a sum of consecutive naturals, for example, 866493 + ... + 891681.

It is an arithmetic number, because the mean of its divisors is an integer number (1066443840).

Almost surely, 2^22143322443 is an apocalyptic number.

22143322443 is a deficient number, since it is larger than the sum of its proper divisors (11982880437).

22143322443 is a wasteful number, since it uses less digits than its factorization.

22143322443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26787.

The product of its digits is 27648, while the sum is 30.

Adding to 22143322443 its reverse (34422334122), we get a palindrome (56565656565).

The spelling of 22143322443 in words is "twenty-two billion, one hundred forty-three million, three hundred twenty-two thousand, four hundred forty-three".