2216203213 has 24 divisors (see below), whose sum is σ = 2611617792. Its totient is φ = 1875019104.

The previous prime is 2216203183. The next prime is 2216203219. The reversal of 2216203213 is 3123026122.

It is not a de Polignac number, because 2216203213 - 2¹⁷ = 2216072141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2216203219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1386931 + ... + 1388527.

It is an arithmetic number, because the mean of its divisors is an integer number (108817408).

Almost surely, 2^2216203213 is an apocalyptic number.

It is an amenable number.

2216203213 is a deficient number, since it is larger than the sum of its proper divisors (395414579).

2216203213 is a wasteful number, since it uses less digits than its factorization.

2216203213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1961 (or 1954 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 2216203213 is about 47076.5675575440. The cubic root of 2216203213 is about 1303.7766338417.

Adding to 2216203213 its reverse (3123026122), we get a palindrome (5339229335).

The spelling of 2216203213 in words is "two billion, two hundred sixteen million, two hundred three thousand, two hundred thirteen".