14432112221 has 4 divisors (see below), whose sum is σ = 14432453952. Its totient is φ = 14431770492.

The previous prime is 14432112187. The next prime is 14432112259. The reversal of 14432112221 is 12221123441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 14432112221 - 2⁶ = 14432112157 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 (14432112271) 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, 96821 + ... + 195546.

It is an arithmetic number, because the mean of its divisors is an integer number (3608113488).

Almost surely, 2^14432112221 is an apocalyptic number.

It is an amenable number.

14432112221 is a deficient number, since it is larger than the sum of its proper divisors (341731).

14432112221 is an equidigital number, since it uses as much as digits as its factorization.

14432112221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341730.

The product of its digits is 768, while the sum is 23.

Adding to 14432112221 its reverse (12221123441), we get a palindrome (26653235662).

The spelling of 14432112221 in words is "fourteen billion, four hundred thirty-two million, one hundred twelve thousand, two hundred twenty-one".