243322424 has 16 divisors (see below), whose sum is σ = 458869320. Its totient is φ = 120957280.

The previous prime is 243322399. The next prime is 243322427. The reversal of 243322424 is 424223342.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 243322393 and 243322402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243322427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86522 + ... + 89289.

Almost surely, 2^243322424 is an apocalyptic number.

It is an amenable number.

243322424 is a deficient number, since it is larger than the sum of its proper divisors (215546896).

243322424 is a wasteful number, since it uses less digits than its factorization.

243322424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175990 (or 175986 counting only the distinct ones).

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

The square root of 243322424 is about 15598.7955945323. The cubic root of 243322424 is about 624.3010203888.

Adding to 243322424 its reverse (424223342), we get a palindrome (667545766).

The spelling of 243322424 in words is "two hundred forty-three million, three hundred twenty-two thousand, four hundred twenty-four".