242242043 has 2 divisors, whose sum is σ = 242242044. Its totient is φ = 242242042.

The previous prime is 242242037. The next prime is 242242067. The reversal of 242242043 is 340242242.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 242242043 - 2¹⁰ = 242241019 is a prime.

It is not a weakly prime, because it can be changed into another prime (242242073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121121021 + 121121022.

It is an arithmetic number, because the mean of its divisors is an integer number (121121022).

Almost surely, 2^242242043 is an apocalyptic number.

242242043 is a deficient number, since it is larger than the sum of its proper divisors (1).

242242043 is an equidigital number, since it uses as much as digits as its factorization.

242242043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 242242043 is about 15564.1267985069. The cubic root of 242242043 is about 623.3756587755.

Adding to 242242043 its reverse (340242242), we get a palindrome (582484285).

The spelling of 242242043 in words is "two hundred forty-two million, two hundred forty-two thousand, forty-three".