243312225222 has 32 divisors (see below), whose sum is σ = 530909979264. Its totient is φ = 73724457600.

The previous prime is 243312225193. The next prime is 243312225227. The reversal of 243312225222 is 222522213342.

243312225222 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 243312225222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243312225227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 617118 + ... + 931374.

It is an arithmetic number, because the mean of its divisors is an integer number (16590936852).

Almost surely, 2^243312225222 is an apocalyptic number.

243312225222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

243312225222 is an abundant number, since it is smaller than the sum of its proper divisors (287597754042).

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

243312225222 is a wasteful number, since it uses less digits than its factorization.

243312225222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326004.

The product of its digits is 23040, while the sum is 30.

Adding to 243312225222 its reverse (222522213342), we get a palindrome (465834438564).

The spelling of 243312225222 in words is "two hundred forty-three billion, three hundred twelve million, two hundred twenty-five thousand, two hundred twenty-two".