221222112022 has 16 divisors (see below), whose sum is σ = 343332255744. Its totient is φ = 106794585000.

The previous prime is 221222112017. The next prime is 221222112047. The reversal of 221222112022 is 220211222122.

221222112022 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 7 ways as a sum of consecutive naturals, for example, 4112604 + ... + 4166047.

It is an arithmetic number, because the mean of its divisors is an integer number (21458265984).

Almost surely, 2^221222112022 is an apocalyptic number.

221222112022 is a deficient number, since it is larger than the sum of its proper divisors (122110143722).

221222112022 is a wasteful number, since it uses less digits than its factorization.

221222112022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8279115.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 221222112022 its reverse (220211222122), we get a palindrome (441433334144).

The spelling of 221222112022 in words is "two hundred twenty-one billion, two hundred twenty-two million, one hundred twelve thousand, twenty-two".