14222111 has 4 divisors (see below), whose sum is σ = 14382000. Its totient is φ = 14062224.

The previous prime is 14222083. The next prime is 14222129. The reversal of 14222111 is 11122241.

It is a happy number.

14222111 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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14222111 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 (14222141) 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, 79811 + ... + 79988.

It is an arithmetic number, because the mean of its divisors is an integer number (3595500).

Almost surely, 2^14222111 is an apocalyptic number.

14222111 is a deficient number, since it is larger than the sum of its proper divisors (159889).

14222111 is an equidigital number, since it uses as much as digits as its factorization.

14222111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159888.

The product of its digits is 32, while the sum is 14.

The square root of 14222111 is about 3771.2214201768. The cubic root of 14222111 is about 242.2821141337.

Adding to 14222111 its reverse (11122241), we get a palindrome (25344352).

The spelling of 14222111 in words is "fourteen million, two hundred twenty-two thousand, one hundred eleven".