2268943 has 2 divisors, whose sum is σ = 2268944. Its totient is φ = 2268942.

The previous prime is 2268941. The next prime is 2268949. The reversal of 2268943 is 3498622.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2268943 - 2¹ = 2268941 is a prime.

Together with 2268941, it forms a pair of twin primes.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2268899 and 2268908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2268941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1134471 + 1134472.

It is an arithmetic number, because the mean of its divisors is an integer number (1134472).

2^2268943 is an apocalyptic number.

2268943 is a deficient number, since it is larger than the sum of its proper divisors (1).

2268943 is an equidigital number, since it uses as much as digits as its factorization.

2268943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 34.

The square root of 2268943 is about 1506.3010987183. The cubic root of 2268943 is about 131.4037810498.

The spelling of 2268943 in words is "two million, two hundred sixty-eight thousand, nine hundred forty-three".