2112239 has 2 divisors, whose sum is σ = 2112240. Its totient is φ = 2112238.

The previous prime is 2112217. The next prime is 2112263. The reversal of 2112239 is 9322112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2112239 - 2¹⁶ = 2046703 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2112239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2112139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056119 + 1056120.

It is an arithmetic number, because the mean of its divisors is an integer number (1056120).

2^2112239 is an apocalyptic number.

2112239 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112239 is an equidigital number, since it uses as much as digits as its factorization.

2112239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 216, while the sum is 20.

The square root of 2112239 is about 1453.3543958718. The cubic root of 2112239 is about 128.3062126682.

The spelling of 2112239 in words is "two million, one hundred twelve thousand, two hundred thirty-nine".