2122843 has 2 divisors, whose sum is σ = 2122844. Its totient is φ = 2122842.

The previous prime is 2122837. The next prime is 2122853. The reversal of 2122843 is 3482212.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2122843 is a prime.

It is a super-3 number, since 3×2122843³ = 28699536498679833321, which contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (2122823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061421 + 1061422.

It is an arithmetic number, because the mean of its divisors is an integer number (1061422).

2^2122843 is an apocalyptic number.

2122843 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122843 is an equidigital number, since it uses as much as digits as its factorization.

2122843 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 768, while the sum is 22.

The square root of 2122843 is about 1456.9979409732. The cubic root of 2122843 is about 128.5205647718.

The spelling of 2122843 in words is "two million, one hundred twenty-two thousand, eight hundred forty-three".