2218299 has 4 divisors (see below), whose sum is σ = 2957736. Its totient is φ = 1478864.

The previous prime is 2218289. The next prime is 2218319. The reversal of 2218299 is 9928122.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2218299 - 2⁴ = 2218283 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (2218219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 369714 + ... + 369719.

It is an arithmetic number, because the mean of its divisors is an integer number (739434).

2^2218299 is an apocalyptic number.

2218299 is a deficient number, since it is larger than the sum of its proper divisors (739437).

2218299 is an equidigital number, since it uses as much as digits as its factorization.

2218299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739436.

The product of its digits is 5184, while the sum is 33.

The square root of 2218299 is about 1489.3955149657. The cubic root of 2218299 is about 130.4187483237.

The spelling of 2218299 in words is "two million, two hundred eighteen thousand, two hundred ninety-nine".