2216640033 has 16 divisors (see below), whose sum is σ = 3299483200. Its totient is φ = 1470752640.

The previous prime is 2216640029. The next prime is 2216640037. The reversal of 2216640033 is 3300466122.

2216640033 is a `hidden beast` number, since 2 + 2 + 16 + 640 + 0 + 3 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (2216640029) and next prime (2216640037).

It is not a de Polignac number, because 2216640033 - 2² = 2216640029 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2216639979 and 2216640006.

It is not an unprimeable number, because it can be changed into a prime (2216640037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188848 + ... + 200241.

It is an arithmetic number, because the mean of its divisors is an integer number (206217700).

Almost surely, 2^2216640033 is an apocalyptic number.

It is an amenable number.

2216640033 is a deficient number, since it is larger than the sum of its proper divisors (1082843167).

2216640033 is a wasteful number, since it uses less digits than its factorization.

2216640033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389309 (or 389303 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 2216640033 is about 47081.2067920949. The cubic root of 2216640033 is about 1303.8622875839.

The spelling of 2216640033 in words is "two billion, two hundred sixteen million, six hundred forty thousand, thirty-three".