243340402222 has 4 divisors (see below), whose sum is σ = 365010603336. Its totient is φ = 121670201110.

The previous prime is 243340402171. The next prime is 243340402243. The reversal of 243340402222 is 222204043342.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 222204043342 = 2 ⋅111102021671.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60835100554 + ... + 60835100557.

It is an arithmetic number, because the mean of its divisors is an integer number (91252650834).

Almost surely, 2^243340402222 is an apocalyptic number.

243340402222 is a deficient number, since it is larger than the sum of its proper divisors (121670201114).

243340402222 is a wasteful number, since it uses less digits than its factorization.

243340402222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121670201113.

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 243340402222 its reverse (222204043342), we get a palindrome (465544445564).

The spelling of 243340402222 in words is "two hundred forty-three billion, three hundred forty million, four hundred two thousand, two hundred twenty-two".