22143144343 has 8 divisors (see below), whose sum is σ = 22416318000. Its totient is φ = 21871631808.

The previous prime is 22143144307. The next prime is 22143144371. The reversal of 22143144343 is 34344134122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22143144343 - 2²¹ = 22141047191 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 (22143144643) 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 7 ways as a sum of consecutive naturals, for example, 388446 + ... + 441787.

It is an arithmetic number, because the mean of its divisors is an integer number (2802039750).

Almost surely, 2^22143144343 is an apocalyptic number.

22143144343 is a deficient number, since it is larger than the sum of its proper divisors (273173657).

22143144343 is a wasteful number, since it uses less digits than its factorization.

22143144343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830561.

The product of its digits is 27648, while the sum is 31.

Adding to 22143144343 its reverse (34344134122), we get a palindrome (56487278465).

The spelling of 22143144343 in words is "twenty-two billion, one hundred forty-three million, one hundred forty-four thousand, three hundred forty-three".