243242213222 has 4 divisors (see below), whose sum is σ = 364863319836. Its totient is φ = 121621106610.

The previous prime is 243242213197. The next prime is 243242213237. The reversal of 243242213222 is 222312242342.

It is a happy number.

It is a semiprime because it is the product of two primes.

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, 60810553304 + ... + 60810553307.

It is an arithmetic number, because the mean of its divisors is an integer number (91215829959).

Almost surely, 2^243242213222 is an apocalyptic number.

243242213222 is a deficient number, since it is larger than the sum of its proper divisors (121621106614).

243242213222 is a wasteful number, since it uses less digits than its factorization.

243242213222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121621106613.

The product of its digits is 18432, while the sum is 29.

Adding to 243242213222 its reverse (222312242342), we get a palindrome (465554455564).

The spelling of 243242213222 in words is "two hundred forty-three billion, two hundred forty-two million, two hundred thirteen thousand, two hundred twenty-two".