2213132216 has 64 divisors (see below), whose sum is σ = 4620240000. Its totient is φ = 988968960.

The previous prime is 2213132189. The next prime is 2213132227. The reversal of 2213132216 is 6122313122.

It is a junction number, because it is equal to n+sod(n) for n = 2213132191 and 2213132200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 235985 + ... + 245183.

It is an arithmetic number, because the mean of its divisors is an integer number (72191250).

Almost surely, 2^2213132216 is an apocalyptic number.

It is an amenable number.

2213132216 is an abundant number, since it is smaller than the sum of its proper divisors (2407107784).

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

2213132216 is a wasteful number, since it uses less digits than its factorization.

2213132216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9312 (or 9308 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

The square root of 2213132216 is about 47043.9392058106. The cubic root of 2213132216 is about 1303.1741402115.

Adding to 2213132216 its reverse (6122313122), we get a palindrome (8335445338).

The spelling of 2213132216 in words is "two billion, two hundred thirteen million, one hundred thirty-two thousand, two hundred sixteen".