14420221243 has 4 divisors (see below), whose sum is σ = 15047187408. Its totient is φ = 13793255080.

The previous prime is 14420221241. The next prime is 14420221259. The reversal of 14420221243 is 34212202441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34212202441 = 89 ⋅384406769.

It is a cyclic number.

It is not a de Polignac number, because 14420221243 - 2¹ = 14420221241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14420221241) 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 3 ways as a sum of consecutive naturals, for example, 313483048 + ... + 313483093.

It is an arithmetic number, because the mean of its divisors is an integer number (3761796852).

Almost surely, 2^14420221243 is an apocalyptic number.

14420221243 is a deficient number, since it is larger than the sum of its proper divisors (626966165).

14420221243 is an equidigital number, since it uses as much as digits as its factorization.

14420221243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626966164.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 14420221243 its reverse (34212202441), we get a palindrome (48632423684).

The spelling of 14420221243 in words is "fourteen billion, four hundred twenty million, two hundred twenty-one thousand, two hundred forty-three".