2222211212 has 24 divisors (see below), whose sum is σ = 4256675472. Its totient is φ = 1008820800.

The previous prime is 2222211163. The next prime is 2222211221. The reversal of 2222211212 is 2121122222.

It is a happy number.

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

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, 347114 + ... + 353457.

It is an arithmetic number, because the mean of its divisors is an integer number (177361478).

Almost surely, 2^2222211212 is an apocalyptic number.

It is an amenable number.

2222211212 is a deficient number, since it is larger than the sum of its proper divisors (2034464260).

2222211212 is a wasteful number, since it uses less digits than its factorization.

2222211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700649 (or 700647 counting only the distinct ones).

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

The square root of 2222211212 is about 47140.3352979166. The cubic root of 2222211212 is about 1304.9537252079.

Adding to 2222211212 its reverse (2121122222), we get a palindrome (4343333434).

The spelling of 2222211212 in words is "two billion, two hundred twenty-two million, two hundred eleven thousand, two hundred twelve".