2222321212 has 24 divisors (see below), whose sum is σ = 3935131200. Its totient is φ = 1098052416.

The previous prime is 2222321207. The next prime is 2222321219. The reversal of 2222321212 is 2121232222.

It is a self number, because there is not a number n which added to its sum of digits gives 2222321212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222321219) 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 7 ways as a sum of consecutive naturals, for example, 163053 + ... + 176155.

It is an arithmetic number, because the mean of its divisors is an integer number (163963800).

Almost surely, 2^2222321212 is an apocalyptic number.

It is an amenable number.

2222321212 is a deficient number, since it is larger than the sum of its proper divisors (1712809988).

2222321212 is a wasteful number, since it uses less digits than its factorization.

2222321212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13605 (or 13603 counting only the distinct ones).

The product of its digits is 384, while the sum is 19.

The square root of 2222321212 is about 47141.5020125579. The cubic root of 2222321212 is about 1304.9752566958.

Adding to 2222321212 its reverse (2121232222), we get a palindrome (4343553434).

The spelling of 2222321212 in words is "two billion, two hundred twenty-two million, three hundred twenty-one thousand, two hundred twelve".