2243743 has 2 divisors, whose sum is σ = 2243744. Its totient is φ = 2243742.

The previous prime is 2243741. The next prime is 2243753. The reversal of 2243743 is 3473422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2243743 - 2¹ = 2243741 is a prime.

Together with 2243741, it forms a pair of twin primes.

It is a d-powerful number, because it can be written as 2 + 2³ + 4³ + 3¹² + 7⁶ + 4⁴ + 3¹³ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2243741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1121871 + 1121872.

It is an arithmetic number, because the mean of its divisors is an integer number (1121872).

2^2243743 is an apocalyptic number.

2243743 is a deficient number, since it is larger than the sum of its proper divisors (1).

2243743 is an equidigital number, since it uses as much as digits as its factorization.

2243743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 25.

The square root of 2243743 is about 1497.9128813119. The cubic root of 2243743 is about 130.9154904308.

The spelling of 2243743 in words is "two million, two hundred forty-three thousand, seven hundred forty-three".