2220111304 has 16 divisors (see below), whose sum is σ = 4193095500. Its totient is φ = 1101952512.

The previous prime is 2220111301. The next prime is 2220111353. The reversal of 2220111304 is 4031110222.

It can be written as a sum of positive squares in 2 ways, for example, as 2218598404 + 1512900 = 47102^2 + 1230^2 .

It is not an unprimeable number, because it can be changed into a prime (2220111301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1011729 + ... + 1013920.

Almost surely, 2^2220111304 is an apocalyptic number.

It is an amenable number.

2220111304 is a deficient number, since it is larger than the sum of its proper divisors (1972984196).

2220111304 is a wasteful number, since it uses less digits than its factorization.

2220111304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2025792 (or 2025788 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2220111304 is about 47118.0570906738. The cubic root of 2220111304 is about 1304.5425512143.

Adding to 2220111304 its reverse (4031110222), we get a palindrome (6251221526).

The spelling of 2220111304 in words is "two billion, two hundred twenty million, one hundred eleven thousand, three hundred four".