243262022656 has 33 divisors (see below), whose sum is σ = 486318037201. Its totient is φ = 121623119872.

The previous prime is 243262022609. The next prime is 243262022687. The reversal of 243262022656 is 656220262342.

The square root of 243262022656 is 493216.

It is a perfect power (a square), and thus also a powerful number.

243262022656 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 211011609600 + 32250413056 = 459360^2 + 179584^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 15775206 + ... + 15790618.

Almost surely, 2^243262022656 is an apocalyptic number.

243262022656 is the 493216-th square number.

It is an amenable number.

243262022656 is a deficient number, since it is larger than the sum of its proper divisors (243056014545).

243262022656 is an frugal number, since it uses more digits than its factorization.

243262022656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30846 (or 15415 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 40.

Adding to 243262022656 its reverse (656220262342), we get a palindrome (899482284998).

The spelling of 243262022656 in words is "two hundred forty-three billion, two hundred sixty-two million, twenty-two thousand, six hundred fifty-six".