2212211222 has 32 divisors (see below), whose sum is σ = 3611983872. Its totient is φ = 1010094624.

The previous prime is 2212211213. The next prime is 2212211227. The reversal of 2212211222 is 2221122122.

It is a happy number.

2212211222 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 self number, because there is not a number n which added to its sum of digits gives 2212211222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212211227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1528103 + ... + 1529549.

It is an arithmetic number, because the mean of its divisors is an integer number (112874496).

Almost surely, 2^2212211222 is an apocalyptic number.

2212211222 is a deficient number, since it is larger than the sum of its proper divisors (1399772650).

2212211222 is a wasteful number, since it uses less digits than its factorization.

2212211222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2052.

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

The square root of 2212211222 is about 47034.1495298895. The cubic root of 2212211222 is about 1302.9933433476.

Adding to 2212211222 its reverse (2221122122), we get a palindrome (4433333344).

The spelling of 2212211222 in words is "two billion, two hundred twelve million, two hundred eleven thousand, two hundred twenty-two".