2213020444 has 12 divisors (see below), whose sum is σ = 3873528064. Its totient is φ = 1106298144.

The previous prime is 2213020409. The next prime is 2213020457. The reversal of 2213020444 is 4440203122.

It is a happy number.

It is a congruent 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, 28257 + ... + 72280.

Almost surely, 2^2213020444 is an apocalyptic number.

It is an amenable number.

2213020444 is a deficient number, since it is larger than the sum of its proper divisors (1660507620).

2213020444 is a wasteful number, since it uses less digits than its factorization.

2213020444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106044 (or 106042 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 2213020444 is about 47042.7512375711. The cubic root of 2213020444 is about 1303.1522013457.

Adding to 2213020444 its reverse (4440203122), we get a palindrome (6653223566).

The spelling of 2213020444 in words is "two billion, two hundred thirteen million, twenty thousand, four hundred forty-four".