14221439 has 4 divisors (see below), whose sum is σ = 14232480. Its totient is φ = 14210400.

The previous prime is 14221421. The next prime is 14221483. The reversal of 14221439 is 93412241.

14221439 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 brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 14221439 - 2¹⁶ = 14155903 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 (14221489) 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, 3287 + ... + 6264.

It is an arithmetic number, because the mean of its divisors is an integer number (3558120).

Almost surely, 2^14221439 is an apocalyptic number.

14221439 is a deficient number, since it is larger than the sum of its proper divisors (11041).

14221439 is an equidigital number, since it uses as much as digits as its factorization.

14221439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11040.

The product of its digits is 1728, while the sum is 26.

The square root of 14221439 is about 3771.1323233215. The cubic root of 14221439 is about 242.2782981005.

The spelling of 14221439 in words is "fourteen million, two hundred twenty-one thousand, four hundred thirty-nine".