222111122 has 16 divisors (see below), whose sum is σ = 335930112. Its totient is φ = 110138640.

The previous prime is 222111091. The next prime is 222111133. The reversal of 222111122 is 221111222.

222111122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 222111097 and 222111106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140597 + ... + 142167.

It is an arithmetic number, because the mean of its divisors is an integer number (20995632).

Almost surely, 2^222111122 is an apocalyptic number.

222111122 is a deficient number, since it is larger than the sum of its proper divisors (113818990).

222111122 is a wasteful number, since it uses less digits than its factorization.

222111122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2113.

The product of its digits is 32, while the sum is 14.

The square root of 222111122 is about 14903.3929693879. The cubic root of 222111122 is about 605.6059062000.

Adding to 222111122 its reverse (221111222), we get a palindrome (443222344).

It can be divided in two parts, 2 and 22111122, that multiplied together give a palindrome (44222244).

The spelling of 222111122 in words is "two hundred twenty-two million, one hundred eleven thousand, one hundred twenty-two".