14220331 has 4 divisors (see below), whose sum is σ = 14380200. Its totient is φ = 14060464.

The previous prime is 14220329. The next prime is 14220337. The reversal of 14220331 is 13302241.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 14220331 - 2¹ = 14220329 is a prime.

It is a super-2 number, since 2×14220331² = 404435627499122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14220337) 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, 79801 + ... + 79978.

It is an arithmetic number, because the mean of its divisors is an integer number (3595050).

Almost surely, 2^14220331 is an apocalyptic number.

14220331 is a deficient number, since it is larger than the sum of its proper divisors (159869).

14220331 is an equidigital number, since it uses as much as digits as its factorization.

14220331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159868.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 14220331 is about 3770.9854149811. The cubic root of 14220331 is about 242.2720059260.

Adding to 14220331 its reverse (13302241), we get a palindrome (27522572).

The spelling of 14220331 in words is "fourteen million, two hundred twenty thousand, three hundred thirty-one".