11722222216 has 32 divisors (see below), whose sum is σ = 23191308000. Its totient is φ = 5539349376.

The previous prime is 11722222199. The next prime is 11722222241. The reversal of 11722222216 is 61222222711.

11722222216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28341 + ... + 155716.

It is an arithmetic number, because the mean of its divisors is an integer number (724728375).

Almost surely, 2^11722222216 is an apocalyptic number.

It is an amenable number.

11722222216 is a deficient number, since it is larger than the sum of its proper divisors (11469085784).

11722222216 is a wasteful number, since it uses less digits than its factorization.

11722222216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184501 (or 184497 counting only the distinct ones).

The product of its digits is 2688, while the sum is 28.

Adding to 11722222216 its reverse (61222222711), we get a palindrome (72944444927).

It can be divided in two parts, 11 and 722222216, that added together give a palindrome (722222227).

The spelling of 11722222216 in words is "eleven billion, seven hundred twenty-two million, two hundred twenty-two thousand, two hundred sixteen".