14220321 has 8 divisors (see below), whose sum is σ = 19473024. Its totient is φ = 9223920.

The previous prime is 14220319. The next prime is 14220329. The reversal of 14220321 is 12302241.

14220321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 14220321 - 2¹ = 14220319 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14220321.

It is not an unprimeable number, because it can be changed into a prime (14220329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63945 + ... + 64166.

It is an arithmetic number, because the mean of its divisors is an integer number (2434128).

Almost surely, 2^14220321 is an apocalyptic number.

It is an amenable number.

14220321 is a deficient number, since it is larger than the sum of its proper divisors (5252703).

14220321 is a wasteful number, since it uses less digits than its factorization.

14220321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128151.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 14220321 is about 3770.9840890675. The cubic root of 14220321 is about 242.2719491359.

Adding to 14220321 its reverse (12302241), we get a palindrome (26522562).

It can be divided in two parts, 14220 and 321, that added together give a palindrome (14541).

The spelling of 14220321 in words is "fourteen million, two hundred twenty thousand, three hundred twenty-one".