228219 has 8 divisors (see below), whose sum is σ = 307200. Its totient is φ = 150696.

The previous prime is 228211. The next prime is 228223. The reversal of 228219 is 912822.

228219 is nontrivially palindromic in base 2.

228219 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 228219 - 2³ = 228211 is a prime.

It is a super-2 number, since 2×228219² = 104167823922, which contains 22 as substring.

It is an Ulam number.

228219 is strictly pandigital in base 7.

It is not an unprimeable number, because it can be changed into a prime (228211) 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, 82 + ... + 680.

It is an arithmetic number, because the mean of its divisors is an integer number (38400).

2²²⁸²¹⁹ is an apocalyptic number.

228219 is a deficient number, since it is larger than the sum of its proper divisors (78981).

228219 is a wasteful number, since it uses less digits than its factorization.

228219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729.

The product of its digits is 576, while the sum is 24.

The square root of 228219 is about 477.7227229262. The cubic root of 228219 is about 61.1107010686.

The spelling of 228219 in words is "two hundred twenty-eight thousand, two hundred nineteen".