243020422 has 8 divisors (see below), whose sum is σ = 364816872. Its totient is φ = 121414800.

The previous prime is 243020413. The next prime is 243020447. The reversal of 243020422 is 224020342.

243020422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 243020422.

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, 44479 + ... + 49642.

It is an arithmetic number, because the mean of its divisors is an integer number (45602109).

Almost surely, 2^243020422 is an apocalyptic number.

243020422 is a deficient number, since it is larger than the sum of its proper divisors (121796450).

243020422 is a wasteful number, since it uses less digits than its factorization.

243020422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95414.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 243020422 is about 15589.1122903134. The cubic root of 243020422 is about 624.0426276900.

Adding to 243020422 its reverse (224020342), we get a palindrome (467040764).

The spelling of 243020422 in words is "two hundred forty-three million, twenty thousand, four hundred twenty-two".