14224243204421 has 16 divisors (see below), whose sum is σ = 14364129365376. Its totient is φ = 14084900027136.

The previous prime is 14224243204397. The next prime is 14224243204519. The reversal of 14224243204421 is 12440234242241.

It is a cyclic number.

It is not a de Polignac number, because 14224243204421 - 2²⁶ = 14224176095557 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 (14224243204921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199499240 + ... + 199570526.

It is an arithmetic number, because the mean of its divisors is an integer number (897758085336).

Almost surely, 2^{14224243204421} is an apocalyptic number.

It is an amenable number.

14224243204421 is a deficient number, since it is larger than the sum of its proper divisors (139886160955).

14224243204421 is a wasteful number, since it uses less digits than its factorization.

14224243204421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75068.

The product of its (nonzero) digits is 98304, while the sum is 35.

Adding to 14224243204421 its reverse (12440234242241), we get a palindrome (26664477446662).

The spelling of 14224243204421 in words is "fourteen trillion, two hundred twenty-four billion, two hundred forty-three million, two hundred four thousand, four hundred twenty-one".