219213 has 16 divisors (see below), whose sum is σ = 339840. Its totient is φ = 139392.

The previous prime is 219187. The next prime is 219217. The reversal of 219213 is 312912.

It is a happy number.

219213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-219213 is a prime.

219213 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (219217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 445 + ... + 797.

It is an arithmetic number, because the mean of its divisors is an integer number (21240).

2²¹⁹²¹³ is an apocalyptic number.

219213 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

219213 is a deficient number, since it is larger than the sum of its proper divisors (120627).

219213 is a wasteful number, since it uses less digits than its factorization.

219213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385 (or 379 counting only the distinct ones).

The product of its digits is 108, while the sum is 18.

The square root of 219213 is about 468.2018795349. The cubic root of 219213 is about 60.2960369663.

The spelling of 219213 in words is "two hundred nineteen thousand, two hundred thirteen".