2213221100 has 18 divisors (see below), whose sum is σ = 4802690004. Its totient is φ = 885288400.

The previous prime is 2213221097. The next prime is 2213221133. The reversal of 2213221100 is 11223122.

It is a happy number.

2213221100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 11066006 + ... + 11066205.

Almost surely, 2^2213221100 is an apocalyptic number.

2213221100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2213221100 is an abundant number, since it is smaller than the sum of its proper divisors (2589468904).

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

2213221100 is a wasteful number, since it uses less digits than its factorization.

2213221100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22132225 (or 22132218 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2213221100 is about 47044.8838876237. The cubic root of 2213221100 is about 1303.1915860407.

Adding to 2213221100 its reverse (11223122), we get a palindrome (2224444222).

The spelling of 2213221100 in words is "two billion, two hundred thirteen million, two hundred twenty-one thousand, one hundred".