242442443 has 2 divisors, whose sum is σ = 242442444. Its totient is φ = 242442442.

The previous prime is 242442439. The next prime is 242442449. The reversal of 242442443 is 344244242.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 242442443 - 2² = 242442439 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (242442449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121221221 + 121221222.

It is an arithmetic number, because the mean of its divisors is an integer number (121221222).

Almost surely, 2^242442443 is an apocalyptic number.

242442443 is a deficient number, since it is larger than the sum of its proper divisors (1).

242442443 is an equidigital number, since it uses as much as digits as its factorization.

242442443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24576, while the sum is 29.

The square root of 242442443 is about 15570.5633488323. The cubic root of 242442443 is about 623.5475117529.

Adding to 242442443 its reverse (344244242), we get a palindrome (586686685).

The spelling of 242442443 in words is "two hundred forty-two million, four hundred forty-two thousand, four hundred forty-three".