22143341243443 has 16 divisors (see below), whose sum is σ = 25724800488960. Its totient is φ = 18667861667136.

The previous prime is 22143341243407. The next prime is 22143341243467. The reversal of 22143341243443 is 34434214334122.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22143341243443 - 2²⁵ = 22143307689011 is a prime.

It is a super-2 number, since 2×22143341243443² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22143341243396 and 22143341243405.

It is not an unprimeable number, because it can be changed into a prime (22143341240443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60169405 + ... + 60536302.

It is an arithmetic number, because the mean of its divisors is an integer number (1607800030560).

Almost surely, 2^{22143341243443} is an apocalyptic number.

22143341243443 is a deficient number, since it is larger than the sum of its proper divisors (3581459245517).

22143341243443 is a wasteful number, since it uses less digits than its factorization.

22143341243443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120706146.

The product of its digits is 663552, while the sum is 40.

Adding to 22143341243443 its reverse (34434214334122), we get a palindrome (56577555577565).

The spelling of 22143341243443 in words is "twenty-two trillion, one hundred forty-three billion, three hundred forty-one million, two hundred forty-three thousand, four hundred forty-three".