224219 has 4 divisors (see below), whose sum is σ = 236040. Its totient is φ = 212400.

The previous prime is 224209. The next prime is 224221. The reversal of 224219 is 912422.

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 224219 - 2⁸ = 223963 is a prime.

It is a super-2 number, since 2×224219² = 100548319922, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 224219.

It is not an unprimeable number, because it can be changed into a prime (224209) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5882 + ... + 5919.

It is an arithmetic number, because the mean of its divisors is an integer number (59010).

2²²⁴²¹⁹ is an apocalyptic number.

224219 is a deficient number, since it is larger than the sum of its proper divisors (11821).

224219 is a wasteful number, since it uses less digits than its factorization.

224219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11820.

The product of its digits is 288, while the sum is 20.

The square root of 224219 is about 473.5176871037. The cubic root of 224219 is about 60.7515650440.

The spelling of 224219 in words is "two hundred twenty-four thousand, two hundred nineteen".