2247440243 has 2 divisors, whose sum is σ = 2247440244. Its totient is φ = 2247440242.

The previous prime is 2247440203. The next prime is 2247440267. The reversal of 2247440243 is 3420447422.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2247440243 - 2⁶ = 2247440179 is a prime.

It is not a weakly prime, because it can be changed into another prime (2247440203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1123720121 + 1123720122.

It is an arithmetic number, because the mean of its divisors is an integer number (1123720122).

Almost surely, 2^2247440243 is an apocalyptic number.

2247440243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2247440243 is an equidigital number, since it uses as much as digits as its factorization.

2247440243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43008, while the sum is 32.

The square root of 2247440243 is about 47407.1750160247. The cubic root of 2247440243 is about 1309.8735854939.

Adding to 2247440243 its reverse (3420447422), we get a palindrome (5667887665).

The spelling of 2247440243 in words is "two billion, two hundred forty-seven million, four hundred forty thousand, two hundred forty-three".