242332231 has 4 divisors (see below), whose sum is σ = 242908264. Its totient is φ = 241756200.

The previous prime is 242332193. The next prime is 242332241. The reversal of 242332231 is 132233242.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242332231 is a prime.

It is a super-2 number, since 2×242332231² = 117449820362874722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242332241) 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, 287385 + ... + 288226.

It is an arithmetic number, because the mean of its divisors is an integer number (60727066).

Almost surely, 2^242332231 is an apocalyptic number.

242332231 is a deficient number, since it is larger than the sum of its proper divisors (576033).

242332231 is an equidigital number, since it uses as much as digits as its factorization.

242332231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576032.

The product of its digits is 1728, while the sum is 22.

The square root of 242332231 is about 15567.0238324479. The cubic root of 242332231 is about 623.4530112003.

Adding to 242332231 its reverse (132233242), we get a palindrome (374565473).

The spelling of 242332231 in words is "two hundred forty-two million, three hundred thirty-two thousand, two hundred thirty-one".