243421023222 has 48 divisors (see below), whose sum is σ = 568236837168. Its totient is φ = 74865222720.

The previous prime is 243421023221. The next prime is 243421023233. The reversal of 243421023222 is 222320124342.

243421023222 is a `hidden beast` number, since 2 + 4 + 3 + 421 + 0 + 232 + 2 + 2 = 666.

243421023222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×243421023222² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243421023221) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 292972 + ... + 756752.

It is an arithmetic number, because the mean of its divisors is an integer number (11838267441).

Almost surely, 2^243421023222 is an apocalyptic number.

243421023222 is an abundant number, since it is smaller than the sum of its proper divisors (324815813946).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243421023222 is a wasteful number, since it uses less digits than its factorization.

243421023222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466045 (or 466042 counting only the distinct ones).

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

Adding to 243421023222 its reverse (222320124342), we get a palindrome (465741147564).

The spelling of 243421023222 in words is "two hundred forty-three billion, four hundred twenty-one million, twenty-three thousand, two hundred twenty-two".