243231422 has 8 divisors (see below), whose sum is σ = 416968176. Its totient is φ = 104242032.

The previous prime is 243231413. The next prime is 243231449. The reversal of 243231422 is 224132342.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8686823 + ... + 8686850.

It is an arithmetic number, because the mean of its divisors is an integer number (52121022).

Almost surely, 2^243231422 is an apocalyptic number.

243231422 is a deficient number, since it is larger than the sum of its proper divisors (173736754).

243231422 is a wasteful number, since it uses less digits than its factorization.

243231422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17373682.

The product of its digits is 2304, while the sum is 23.

The square root of 243231422 is about 15595.8783657734. The cubic root of 243231422 is about 624.2231816586.

Adding to 243231422 its reverse (224132342), we get a palindrome (467363764).

The spelling of 243231422 in words is "two hundred forty-three million, two hundred thirty-one thousand, four hundred twenty-two".