242224321231 has 4 divisors (see below), whose sum is σ = 242227706472. Its totient is φ = 242220935992.

The previous prime is 242224321189. The next prime is 242224321331. The reversal of 242224321231 is 132123422242.

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 242224321231 - 2²⁵ = 242190766799 is a prime.

It is a super-2 number, since 2×242224321231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 242224321231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242224321331) 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, 1582921 + ... + 1729186.

It is an arithmetic number, because the mean of its divisors is an integer number (60556926618).

Almost surely, 2^242224321231 is an apocalyptic number.

242224321231 is a deficient number, since it is larger than the sum of its proper divisors (3385241).

242224321231 is an equidigital number, since it uses as much as digits as its factorization.

242224321231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3385240.

The product of its digits is 9216, while the sum is 28.

Adding to 242224321231 its reverse (132123422242), we get a palindrome (374347743473).

The spelling of 242224321231 in words is "two hundred forty-two billion, two hundred twenty-four million, three hundred twenty-one thousand, two hundred thirty-one".