2216260213 has 4 divisors (see below), whose sum is σ = 2218484140. Its totient is φ = 2214036288.

The previous prime is 2216260201. The next prime is 2216260223. The reversal of 2216260213 is 3120626122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1569982129 + 646278084 = 39623^2 + 25422^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2216260213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2216260223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1110468 + ... + 1112461.

It is an arithmetic number, because the mean of its divisors is an integer number (554621035).

Almost surely, 2^2216260213 is an apocalyptic number.

It is an amenable number.

2216260213 is a deficient number, since it is larger than the sum of its proper divisors (2223927).

2216260213 is an equidigital number, since it uses as much as digits as its factorization.

2216260213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2223926.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 2216260213 is about 47077.1729503801. The cubic root of 2216260213 is about 1303.7878113112.

Adding to 2216260213 its reverse (3120626122), we get a palindrome (5336886335).

The spelling of 2216260213 in words is "two billion, two hundred sixteen million, two hundred sixty thousand, two hundred thirteen".