2213271844 has 12 divisors (see below), whose sum is σ = 4426543744. Its totient is φ = 948545064.

The previous prime is 2213271839. The next prime is 2213271887. The reversal of 2213271844 is 4481723122.

2213271844 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

2213271844 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39522684 + ... + 39522739.

Almost surely, 2^2213271844 is an apocalyptic number.

It is an amenable number.

2213271844 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2213271844 is a wasteful number, since it uses less digits than its factorization.

2213271844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79045434 (or 79045432 counting only the distinct ones).

The product of its digits is 21504, while the sum is 34.

The square root of 2213271844 is about 47045.4231992869. The cubic root of 2213271844 is about 1303.2015456795.

Adding to 2213271844 its reverse (4481723122), we get a palindrome (6694994966).

The spelling of 2213271844 in words is "two billion, two hundred thirteen million, two hundred seventy-one thousand, eight hundred forty-four".