2222211204 has 18 divisors (see below), whose sum is σ = 5617256190. Its totient is φ = 740737056.

The previous prime is 2222211163. The next prime is 2222211221. The reversal of 2222211204 is 4021122222.

It can be written as a sum of positive squares in only one way, i.e., 1733889600 + 488321604 = 41640^2 + 22098^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30864009 + ... + 30864080.

Almost surely, 2^2222211204 is an apocalyptic number.

It is an amenable number.

2222211204 is an abundant number, since it is smaller than the sum of its proper divisors (3395044986).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2222211204 is a wasteful number, since it uses less digits than its factorization.

2222211204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61728099 (or 61728094 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 2222211204 is about 47140.3352130636. The cubic root of 2222211204 is about 1304.9537236420.

Adding to 2222211204 its reverse (4021122222), we get a palindrome (6243333426).

The spelling of 2222211204 in words is "two billion, two hundred twenty-two million, two hundred eleven thousand, two hundred four".