243220204222 has 16 divisors (see below), whose sum is σ = 366810016320. Its totient is φ = 120950629408.

The previous prime is 243220204207. The next prime is 243220204259. The reversal of 243220204222 is 222402022342.

243220204222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1040043 + ... + 1252249.

It is an arithmetic number, because the mean of its divisors is an integer number (22925626020).

Almost surely, 2^243220204222 is an apocalyptic number.

243220204222 is a deficient number, since it is larger than the sum of its proper divisors (123589812098).

243220204222 is a wasteful number, since it uses less digits than its factorization.

243220204222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215315.

The product of its (nonzero) digits is 6144, while the sum is 25.

Adding to 243220204222 its reverse (222402022342), we get a palindrome (465622226564).

The spelling of 243220204222 in words is "two hundred forty-three billion, two hundred twenty million, two hundred four thousand, two hundred twenty-two".