221234413222 has 32 divisors (see below), whose sum is σ = 342180352800. Its totient is φ = 107216729088.

The previous prime is 221234413217. The next prime is 221234413249. The reversal of 221234413222 is 222314432122.

221234413222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6573654 + ... + 6607222.

It is an arithmetic number, because the mean of its divisors is an integer number (10693136025).

Almost surely, 2^221234413222 is an apocalyptic number.

221234413222 is a deficient number, since it is larger than the sum of its proper divisors (120945939578).

221234413222 is a wasteful number, since it uses less digits than its factorization.

221234413222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34200.

The product of its digits is 9216, while the sum is 28.

Adding to 221234413222 its reverse (222314432122), we get a palindrome (443548845344).

The spelling of 221234413222 in words is "two hundred twenty-one billion, two hundred thirty-four million, four hundred thirteen thousand, two hundred twenty-two".