2220222111 has 16 divisors (see below), whose sum is σ = 3055767264. Its totient is φ = 1432819584.

The previous prime is 2220222089. The next prime is 2220222127. The reversal of 2220222111 is 1112220222.

It is not a de Polignac number, because 2220222111 - 2⁶ = 2220222047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220222211) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 28900 + ... + 72633.

It is an arithmetic number, because the mean of its divisors is an integer number (190985454).

Almost surely, 2^2220222111 is an apocalyptic number.

2220222111 is a deficient number, since it is larger than the sum of its proper divisors (835545153).

2220222111 is a wasteful number, since it uses less digits than its factorization.

2220222111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101770.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 2220222111 is about 47119.2329203267. The cubic root of 2220222111 is about 1304.5642543366.

Adding to 2220222111 its reverse (1112220222), we get a palindrome (3332442333).

It can be divided in two parts, 2220222 and 111, that multiplied together give a palindrome (246444642).

The spelling of 2220222111 in words is "two billion, two hundred twenty million, two hundred twenty-two thousand, one hundred eleven".