2216613 has 24 divisors (see below), whose sum is σ = 3644352. Its totient is φ = 1190784.

The previous prime is 2216611. The next prime is 2216629. The reversal of 2216613 is 3166122.

It is a happy number.

It is not a de Polignac number, because 2216613 - 2¹ = 2216611 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 2216613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2216611) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2056 + ... + 2942.

It is an arithmetic number, because the mean of its divisors is an integer number (151848).

2^2216613 is an apocalyptic number.

It is an amenable number.

2216613 is a deficient number, since it is larger than the sum of its proper divisors (1427739).

2216613 is a wasteful number, since it uses less digits than its factorization.

2216613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921 (or 914 counting only the distinct ones).

The product of its digits is 432, while the sum is 21.

The square root of 2216613 is about 1488.8294059428. The cubic root of 2216613 is about 130.3856987151.

The spelling of 2216613 in words is "two million, two hundred sixteen thousand, six hundred thirteen".