2216213307 has 72 divisors (see below), whose sum is σ = 4114506240. Its totient is φ = 1136509920.

The previous prime is 2216213299. The next prime is 2216213327. The reversal of 2216213307 is 7033126122.

2216213307 is a `hidden beast` number, since 2 + 2 + 1 + 621 + 3 + 30 + 7 = 666.

It is not a de Polignac number, because 2216213307 - 2³ = 2216213299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2216213327) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 380338 + ... + 386120.

It is an arithmetic number, because the mean of its divisors is an integer number (57145920).

Almost surely, 2^2216213307 is an apocalyptic number.

2216213307 is a deficient number, since it is larger than the sum of its proper divisors (1898292933).

2216213307 is a wasteful number, since it uses less digits than its factorization.

2216213307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5893 (or 5883 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 2216213307 is about 47076.6747657478. The cubic root of 2216213307 is about 1303.7786132483.

Adding to 2216213307 its reverse (7033126122), we get a palindrome (9249339429).

The spelling of 2216213307 in words is "two billion, two hundred sixteen million, two hundred thirteen thousand, three hundred seven".