243042422 has 16 divisors (see below), whose sum is σ = 423475872. Its totient is φ = 102453120.

The previous prime is 243042419. The next prime is 243042431. The reversal of 243042422 is 224240342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141443 + ... + 143150.

It is an arithmetic number, because the mean of its divisors is an integer number (26467242).

Almost surely, 2^243042422 is an apocalyptic number.

243042422 is a deficient number, since it is larger than the sum of its proper divisors (180433450).

243042422 is a wasteful number, since it uses less digits than its factorization.

243042422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284663.

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 243042422 is about 15589.8178950237. The cubic root of 243042422 is about 624.0614581014.

Adding to 243042422 its reverse (224240342), we get a palindrome (467282764).

The spelling of 243042422 in words is "two hundred forty-three million, forty-two thousand, four hundred twenty-two".