4222111 has 4 divisors (see below), whose sum is σ = 4250224. Its totient is φ = 4194000.

The previous prime is 4222093. The next prime is 4222117. The reversal of 4222111 is 1112224.

It is a happy number.

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-4222111 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 4222091 and 4222100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4222117) 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 3 ways as a sum of consecutive naturals, for example, 13830 + ... + 14131.

It is an arithmetic number, because the mean of its divisors is an integer number (1062556).

Almost surely, 2^4222111 is an apocalyptic number.

4222111 is a deficient number, since it is larger than the sum of its proper divisors (28113).

4222111 is a wasteful number, since it uses less digits than its factorization.

4222111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28112.

The product of its digits is 32, while the sum is 13.

The square root of 4222111 is about 2054.7776035377. Note that the first 3 decimals coincide. The cubic root of 4222111 is about 161.6255003178.

Adding to 4222111 its reverse (1112224), we get a palindrome (5334335).

The spelling of 4222111 in words is "four million, two hundred twenty-two thousand, one hundred eleven".