220221011222 has 12 divisors (see below), whose sum is σ = 348632433036. Its totient is φ = 104315215500.

The previous prime is 220221011221. The next prime is 220221011233. The reversal of 220221011222 is 222110122022.

It is a happy number.

220221011222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 220221011222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220221011221) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 152506904 + ... + 152508347.

It is an arithmetic number, because the mean of its divisors is an integer number (29052702753).

Almost surely, 2^220221011222 is an apocalyptic number.

220221011222 is a deficient number, since it is larger than the sum of its proper divisors (128411421814).

220221011222 is a wasteful number, since it uses less digits than its factorization.

220221011222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305015291 (or 305015272 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 220221011222 its reverse (222110122022), we get a palindrome (442331133244).

The spelling of 220221011222 in words is "two hundred twenty billion, two hundred twenty-one million, eleven thousand, two hundred twenty-two".