243432422 has 16 divisors (see below), whose sum is σ = 369572112. Its totient is φ = 120247200.

The previous prime is 243432421. The next prime is 243432463. The reversal of 243432422 is 224234342.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 243432391 and 243432400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243432421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117548 + ... + 119600.

It is an arithmetic number, because the mean of its divisors is an integer number (23098257).

Almost surely, 2^243432422 is an apocalyptic number.

243432422 is a deficient number, since it is larger than the sum of its proper divisors (126139690).

243432422 is a wasteful number, since it uses less digits than its factorization.

243432422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2743.

The product of its digits is 9216, while the sum is 26.

The square root of 243432422 is about 15602.3210452804. The cubic root of 243432422 is about 624.3950814800.

Adding to 243432422 its reverse (224234342), we get a palindrome (467666764).

The spelling of 243432422 in words is "two hundred forty-three million, four hundred thirty-two thousand, four hundred twenty-two".