2213636668 has 12 divisors (see below), whose sum is σ = 3874199112. Its totient is φ = 1106722640.

The previous prime is 2213636647. The next prime is 2213636681. The reversal of 2213636668 is 8666363122.

2213636668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 64146 + ... + 92422.

It is an arithmetic number, because the mean of its divisors is an integer number (322849926).

Almost surely, 2^2213636668 is an apocalyptic number.

It is an amenable number.

2213636668 is a deficient number, since it is larger than the sum of its proper divisors (1660562444).

2213636668 is a wasteful number, since it uses less digits than its factorization.

2213636668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47852 (or 47850 counting only the distinct ones).

The product of its digits is 373248, while the sum is 43.

The square root of 2213636668 is about 47049.3003986244. The cubic root of 2213636668 is about 1303.2731460241.

The spelling of 2213636668 in words is "two billion, two hundred thirteen million, six hundred thirty-six thousand, six hundred sixty-eight".