22144043553343 has 4 divisors (see below), whose sum is σ = 22144058701288. Its totient is φ = 22144028405400.

The previous prime is 22144043553319. The next prime is 22144043553491. The reversal of 22144043553343 is 34335534044122.

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 22144043553343 - 2²⁹ = 22143506682431 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22144043553343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22144043553143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5115108 + ... + 8393593.

It is an arithmetic number, because the mean of its divisors is an integer number (5536014675322).

Almost surely, 2^{22144043553343} is an apocalyptic number.

22144043553343 is a deficient number, since it is larger than the sum of its proper divisors (15147945).

22144043553343 is a wasteful number, since it uses less digits than its factorization.

22144043553343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15147944.

The product of its (nonzero) digits is 2073600, while the sum is 43.

Adding to 22144043553343 its reverse (34335534044122), we get a palindrome (56479577597465).

The spelling of 22144043553343 in words is "twenty-two trillion, one hundred forty-four billion, forty-three million, five hundred fifty-three thousand, three hundred forty-three".