2223111 has 32 divisors (see below), whose sum is σ = 3525120. Its totient is φ = 1232000.

The previous prime is 2223101. The next prime is 2223113. The reversal of 2223111 is 1113222.

It is not a de Polignac number, because 2223111 - 2⁵ = 2223079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2223113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21961 + ... + 22061.

It is an arithmetic number, because the mean of its divisors is an integer number (110160).

2^2223111 is an apocalyptic number.

2223111 is a deficient number, since it is larger than the sum of its proper divisors (1302009).

2223111 is a wasteful number, since it uses less digits than its factorization.

2223111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167.

The product of its digits is 24, while the sum is 12.

The square root of 2223111 is about 1491.0100603282. The cubic root of 2223111 is about 130.5129829569.

Adding to 2223111 its reverse (1113222), we get a palindrome (3336333).

It can be divided in two parts, 2223 and 111, that multiplied together give a triangular number (246753 = T₇₀₂).

The spelling of 2223111 in words is "two million, two hundred twenty-three thousand, one hundred eleven".