2216501 has 8 divisors (see below), whose sum is σ = 2595264. Its totient is φ = 1853280.

The previous prime is 2216479. The next prime is 2216519. The reversal of 2216501 is 1056122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2216501 - 2⁶ = 2216437 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2216501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2216551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3575 + ... + 4148.

It is an arithmetic number, because the mean of its divisors is an integer number (324408).

2^2216501 is an apocalyptic number.

It is an amenable number.

2216501 is a deficient number, since it is larger than the sum of its proper divisors (378763).

2216501 is an equidigital number, since it uses as much as digits as its factorization.

2216501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7771.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 2216501 is about 1488.7917920247. The cubic root of 2216501 is about 130.3835026553.

The spelling of 2216501 in words is "two million, two hundred sixteen thousand, five hundred one".