14432304221 has 4 divisors (see below), whose sum is σ = 15191899200. Its totient is φ = 13672709244.

The previous prime is 14432304197. The next prime is 14432304251. The reversal of 14432304221 is 12240323441.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12240323441 = 233 ⋅52533577.

It is not a de Polignac number, because 14432304221 - 2⁶ = 14432304157 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 (14432304251) 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, 379797461 + ... + 379797498.

It is an arithmetic number, because the mean of its divisors is an integer number (3797974800).

Almost surely, 2^14432304221 is an apocalyptic number.

It is an amenable number.

14432304221 is a deficient number, since it is larger than the sum of its proper divisors (759594979).

14432304221 is an equidigital number, since it uses as much as digits as its factorization.

14432304221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759594978.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 14432304221 its reverse (12240323441), we get a palindrome (26672627662).

The spelling of 14432304221 in words is "fourteen billion, four hundred thirty-two million, three hundred four thousand, two hundred twenty-one".