2112231 has 8 divisors (see below), whose sum is σ = 3072384. Its totient is φ = 1280120.

The previous prime is 2112217. The next prime is 2112239. The reversal of 2112231 is 1322112.

2112231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2112231 - 2¹¹ = 2110183 is a prime.

It is a super-2 number, since 2×2112231² = 8923039594722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112239) 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 7 ways as a sum of consecutive naturals, for example, 31971 + ... + 32036.

It is an arithmetic number, because the mean of its divisors is an integer number (384048).

2^2112231 is an apocalyptic number.

2112231 is a deficient number, since it is larger than the sum of its proper divisors (960153).

2112231 is a wasteful number, since it uses less digits than its factorization.

2112231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64021.

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

The square root of 2112231 is about 1453.3516436155. The cubic root of 2112231 is about 128.3060506835.

Adding to 2112231 its reverse (1322112), we get a palindrome (3434343).

It can be divided in two parts, 211 and 2231, that added together give a palindrome (2442).

The spelling of 2112231 in words is "two million, one hundred twelve thousand, two hundred thirty-one".