2228111 has 4 divisors (see below), whose sum is σ = 2345400. Its totient is φ = 2110824.

The previous prime is 2228101. The next prime is 2228113. The reversal of 2228111 is 1118222.

It is a happy number.

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

It is not a de Polignac number, because 2228111 - 2¹⁰ = 2227087 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2228111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2228113) 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, 58616 + ... + 58653.

It is an arithmetic number, because the mean of its divisors is an integer number (586350).

2^2228111 is an apocalyptic number.

2228111 is a deficient number, since it is larger than the sum of its proper divisors (117289).

2228111 is a wasteful number, since it uses less digits than its factorization.

2228111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117288.

The product of its digits is 64, while the sum is 17.

The square root of 2228111 is about 1492.6858343268. The cubic root of 2228111 is about 130.6107552975.

The spelling of 2228111 in words is "two million, two hundred twenty-eight thousand, one hundred eleven".