2218235 has 8 divisors (see below), whose sum is σ = 2777760. Its totient is φ = 1697344.

The previous prime is 2218219. The next prime is 2218277. The reversal of 2218235 is 5328122.

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 2218235 - 2⁴ = 2218219 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a d-powerful number, because it can be written as 2¹⁶ + 2¹⁹ + 1 + 8⁵ + 2²⁰ + 3¹² + 5⁶ .

It is a self number, because there is not a number n which added to its sum of digits gives 2218235.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9530 + ... + 9759.

It is an arithmetic number, because the mean of its divisors is an integer number (347220).

2^2218235 is an apocalyptic number.

2218235 is a deficient number, since it is larger than the sum of its proper divisors (559525).

2218235 is a wasteful number, since it uses less digits than its factorization.

2218235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19317.

The product of its digits is 960, while the sum is 23.

The square root of 2218235 is about 1489.3740295842. The cubic root of 2218235 is about 130.4174940773.

The spelling of 2218235 in words is "two million, two hundred eighteen thousand, two hundred thirty-five".