108219 has 4 divisors (see below), whose sum is σ = 144296. Its totient is φ = 72144.

The previous prime is 108217. The next prime is 108223. The reversal of 108219 is 912801.

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

It is not a de Polignac number, because 108219 - 2¹ = 108217 is a prime.

It is a super-2 number, since 2×108219² = 23422703922, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 108195 and 108204.

It is not an unprimeable number, because it can be changed into a prime (108211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18034 + ... + 18039.

It is an arithmetic number, because the mean of its divisors is an integer number (36074).

2¹⁰⁸²¹⁹ is an apocalyptic number.

108219 is a deficient number, since it is larger than the sum of its proper divisors (36077).

108219 is an equidigital number, since it uses as much as digits as its factorization.

108219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36076.

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 108219 is about 328.9665636505. The cubic root of 108219 is about 47.6541987919.

The spelling of 108219 in words is "one hundred eight thousand, two hundred nineteen".