242444441 has 4 divisors (see below), whose sum is σ = 242975412. Its totient is φ = 241913472.

The previous prime is 242444431. The next prime is 242444467. The reversal of 242444441 is 144444242.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 144444242 = 2 ⋅72222121.

It can be written as a sum of positive squares in 2 ways, for example, as 230918416 + 11526025 = 15196^2 + 3395^2 .

It is a cyclic number.

It is not a de Polignac number, because 242444441 - 2²⁶ = 175335577 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (242444401) 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, 264800 + ... + 265713.

It is an arithmetic number, because the mean of its divisors is an integer number (60743853).

Almost surely, 2^242444441 is an apocalyptic number.

It is an amenable number.

242444441 is a deficient number, since it is larger than the sum of its proper divisors (530971).

242444441 is an equidigital number, since it uses as much as digits as its factorization.

242444441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530970.

The product of its digits is 16384, while the sum is 29.

The square root of 242444441 is about 15570.6275082284. The cubic root of 242444441 is about 623.5492246605.

Adding to 242444441 its reverse (144444242), we get a palindrome (386888683).

The spelling of 242444441 in words is "two hundred forty-two million, four hundred forty-four thousand, four hundred forty-one".