242444422221 has 8 divisors (see below), whose sum is σ = 323261643264. Its totient is φ = 161628408000.

The previous prime is 242444422163. The next prime is 242444422229. The reversal of 242444422221 is 122224444242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 242444422221 - 2¹¹ = 242444420173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242444422229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 400596 + ... + 803346.

It is an arithmetic number, because the mean of its divisors is an integer number (40407705408).

Almost surely, 2^242444422221 is an apocalyptic number.

It is an amenable number.

242444422221 is a deficient number, since it is larger than the sum of its proper divisors (80817221043).

242444422221 is a wasteful number, since it uses less digits than its factorization.

242444422221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603411.

The product of its digits is 65536, while the sum is 33.

Adding to 242444422221 its reverse (122224444242), we get a palindrome (364668866463).

The spelling of 242444422221 in words is "two hundred forty-two billion, four hundred forty-four million, four hundred twenty-two thousand, two hundred twenty-one".