243242422 has 16 divisors (see below), whose sum is σ = 378504000. Its totient is φ = 117149760.

The previous prime is 243242413. The next prime is 243242471. The reversal of 243242422 is 224242342.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12297 + ... + 25252.

It is an arithmetic number, because the mean of its divisors is an integer number (23656500).

Almost surely, 2^243242422 is an apocalyptic number.

243242422 is a deficient number, since it is larger than the sum of its proper divisors (135261578).

243242422 is a wasteful number, since it uses less digits than its factorization.

243242422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37671.

The product of its digits is 6144, while the sum is 25.

The square root of 243242422 is about 15596.2310190635. The cubic root of 243242422 is about 624.2325915605.

Adding to 243242422 its reverse (224242342), we get a palindrome (467484764).

The spelling of 243242422 in words is "two hundred forty-three million, two hundred forty-two thousand, four hundred twenty-two".