14221739 has 8 divisors (see below), whose sum is σ = 16282848. Its totient is φ = 12168000.

The previous prime is 14221721. The next prime is 14221769. The reversal of 14221739 is 93712241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14221739 - 2⁸ = 14221483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14221769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3239 + ... + 6239.

It is an arithmetic number, because the mean of its divisors is an integer number (2035356).

Almost surely, 2^14221739 is an apocalyptic number.

14221739 is a deficient number, since it is larger than the sum of its proper divisors (2061109).

14221739 is an equidigital number, since it uses as much as digits as its factorization.

14221739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3685.

The product of its digits is 3024, while the sum is 29.

The square root of 14221739 is about 3771.1720989634. The cubic root of 14221739 is about 242.2800017016.

The spelling of 14221739 in words is "fourteen million, two hundred twenty-one thousand, seven hundred thirty-nine".