14234515221 has 4 divisors (see below), whose sum is σ = 18979353632. Its totient is φ = 9489676812.

The previous prime is 14234515201. The next prime is 14234515291. The reversal of 14234515221 is 12251543241.

14234515221 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 not a de Polignac number, because 14234515221 - 2⁹ = 14234514709 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 (14234515201) 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, 2372419201 + ... + 2372419206.

It is an arithmetic number, because the mean of its divisors is an integer number (4744838408).

Almost surely, 2^14234515221 is an apocalyptic number.

It is an amenable number.

14234515221 is a deficient number, since it is larger than the sum of its proper divisors (4744838411).

14234515221 is an equidigital number, since it uses as much as digits as its factorization.

14234515221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4744838410.

The product of its digits is 9600, while the sum is 30.

The spelling of 14234515221 in words is "fourteen billion, two hundred thirty-four million, five hundred fifteen thousand, two hundred twenty-one".