2213321312 has 12 divisors (see below), whose sum is σ = 4357476396. Its totient is φ = 1106660640.

The previous prime is 2213321261. The next prime is 2213321317. The reversal of 2213321312 is 2131233122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213321317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34583114 + ... + 34583177.

It is an arithmetic number, because the mean of its divisors is an integer number (363123033).

Almost surely, 2^2213321312 is an apocalyptic number.

It is an amenable number.

2213321312 is a deficient number, since it is larger than the sum of its proper divisors (2144155084).

2213321312 is an equidigital number, since it uses as much as digits as its factorization.

2213321312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69166301 (or 69166293 counting only the distinct ones).

The product of its digits is 432, while the sum is 20.

The square root of 2213321312 is about 47045.9489435594. The cubic root of 2213321312 is about 1303.2112547284.

Adding to 2213321312 its reverse (2131233122), we get a palindrome (4344554434).

The spelling of 2213321312 in words is "two billion, two hundred thirteen million, three hundred twenty-one thousand, three hundred twelve".