243222221223 has 24 divisors (see below), whose sum is σ = 352512574128. Its totient is φ = 161598700032.

The previous prime is 243222221191. The next prime is 243222221233. The reversal of 243222221223 is 322122222342.

243222221223 is a `hidden beast` number, since 2 + 432 + 2 + 2 + 2 + 2 + 1 + 223 = 666.

It is not a de Polignac number, because 243222221223 - 2⁵ = 243222221191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243222221233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5942836 + ... + 5983622.

It is an arithmetic number, because the mean of its divisors is an integer number (14688023922).

Almost surely, 2^243222221223 is an apocalyptic number.

243222221223 is a deficient number, since it is larger than the sum of its proper divisors (109290352905).

243222221223 is a wasteful number, since it uses less digits than its factorization.

243222221223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43023 (or 43020 counting only the distinct ones).

The product of its digits is 9216, while the sum is 27.

Adding to 243222221223 its reverse (322122222342), we get a palindrome (565344443565).

The spelling of 243222221223 in words is "two hundred forty-three billion, two hundred twenty-two million, two hundred twenty-one thousand, two hundred twenty-three".