242420443 has 4 divisors (see below), whose sum is σ = 242465760. Its totient is φ = 242375128.

The previous prime is 242420441. The next prime is 242420461. The reversal of 242420443 is 344024242.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 242420443 - 2¹ = 242420441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242420441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13363 + ... + 25756.

It is an arithmetic number, because the mean of its divisors is an integer number (60616440).

Almost surely, 2^242420443 is an apocalyptic number.

242420443 is a deficient number, since it is larger than the sum of its proper divisors (45317).

242420443 is an equidigital number, since it uses as much as digits as its factorization.

242420443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45316.

The product of its (nonzero) digits is 6144, while the sum is 25.

The square root of 242420443 is about 15569.8568715322. The cubic root of 242420443 is about 623.5286502861.

Adding to 242420443 its reverse (344024242), we get a palindrome (586444685).

The spelling of 242420443 in words is "two hundred forty-two million, four hundred twenty thousand, four hundred forty-three".