2213225444 has 24 divisors (see below), whose sum is σ = 4133283840. Its totient is φ = 1033312896.

The previous prime is 2213225401. The next prime is 2213225447. The reversal of 2213225444 is 4445223122.

2213225444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2213225447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119504 + ... + 136775.

It is an arithmetic number, because the mean of its divisors is an integer number (172220160).

Almost surely, 2^2213225444 is an apocalyptic number.

It is an amenable number.

2213225444 is a deficient number, since it is larger than the sum of its proper divisors (1920058396).

2213225444 is a wasteful number, since it uses less digits than its factorization.

2213225444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256427 (or 256425 counting only the distinct ones).

The product of its digits is 15360, while the sum is 29.

The square root of 2213225444 is about 47044.9300562771. The cubic root of 2213225444 is about 1303.1924386532.

Adding to 2213225444 its reverse (4445223122), we get a palindrome (6658448566).

The spelling of 2213225444 in words is "two billion, two hundred thirteen million, two hundred twenty-five thousand, four hundred forty-four".