243000422 has 8 divisors (see below), whose sum is σ = 416572176. Its totient is φ = 104143032.

The previous prime is 243000391. The next prime is 243000427. The reversal of 243000422 is 224000342.

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

It is a self number, because there is not a number n which added to its sum of digits gives 243000422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243000427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8678573 + ... + 8678600.

It is an arithmetic number, because the mean of its divisors is an integer number (52071522).

Almost surely, 2^243000422 is an apocalyptic number.

243000422 is a deficient number, since it is larger than the sum of its proper divisors (173571754).

243000422 is a wasteful number, since it uses less digits than its factorization.

243000422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17357182.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 243000422 is about 15588.4708037703. The cubic root of 243000422 is about 624.0255081480.

Adding to 243000422 its reverse (224000342), we get a palindrome (467000764).

The spelling of 243000422 in words is "two hundred forty-three million, four hundred twenty-two", and thus it is an aban number.