243043222 has 8 divisors (see below), whose sum is σ = 366887376. Its totient is φ = 120747432.

The previous prime is 243043211. The next prime is 243043223. The reversal of 243043222 is 222340342.

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

It is a junction number, because it is equal to n+sod(n) for n = 243043193 and 243043202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243043223) 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, 386698 + ... + 387325.

It is an arithmetic number, because the mean of its divisors is an integer number (45860922).

Almost surely, 2^243043222 is an apocalyptic number.

243043222 is a deficient number, since it is larger than the sum of its proper divisors (123844154).

243043222 is a wasteful number, since it uses less digits than its factorization.

243043222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774182.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 243043222 is about 15589.8435527750. The cubic root of 243043222 is about 624.0621428222.

Adding to 243043222 its reverse (222340342), we get a palindrome (465383564).

The spelling of 243043222 in words is "two hundred forty-three million, forty-three thousand, two hundred twenty-two".