243305554222 has 4 divisors (see below), whose sum is σ = 364958331336. Its totient is φ = 121652777110.

The previous prime is 243305554199. The next prime is 243305554243. The reversal of 243305554222 is 222455503342.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 222455503342 = 2 ⋅111227751671.

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, 60826388554 + ... + 60826388557.

It is an arithmetic number, because the mean of its divisors is an integer number (91239582834).

Almost surely, 2^243305554222 is an apocalyptic number.

243305554222 is a deficient number, since it is larger than the sum of its proper divisors (121652777114).

243305554222 is a wasteful number, since it uses less digits than its factorization.

243305554222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121652777113.

The product of its (nonzero) digits is 288000, while the sum is 37.

The spelling of 243305554222 in words is "two hundred forty-three billion, three hundred five million, five hundred fifty-four thousand, two hundred twenty-two".