14401305221 has 4 divisors (see below), whose sum is σ = 14645395200. Its totient is φ = 14157215244.

The previous prime is 14401305211. The next prime is 14401305299. The reversal of 14401305221 is 12250310441.

14401305221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a de Polignac number, because none of the positive numbers 2^k-14401305221 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 (14401305211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122044901 + ... + 122045018.

It is an arithmetic number, because the mean of its divisors is an integer number (3661348800).

Almost surely, 2^14401305221 is an apocalyptic number.

It is an amenable number.

14401305221 is a deficient number, since it is larger than the sum of its proper divisors (244089979).

14401305221 is an equidigital number, since it uses as much as digits as its factorization.

14401305221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244089978.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 14401305221 its reverse (12250310441), we get a palindrome (26651615662).

The spelling of 14401305221 in words is "fourteen billion, four hundred one million, three hundred five thousand, two hundred twenty-one".