213219 has 16 divisors (see below), whose sum is σ = 324000. Its totient is φ = 138528.

The previous prime is 213217. The next prime is 213223. The reversal of 213219 is 912312.

It is a happy number.

It is not a de Polignac number, because 213219 - 2¹ = 213217 is a prime.

It is a super-2 number, since 2×213219² = 90924683922, which contains 22 as substring.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (213217) 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, 1357 + ... + 1505.

It is an arithmetic number, because the mean of its divisors is an integer number (20250).

2²¹³²¹⁹ is an apocalyptic number.

213219 is a deficient number, since it is larger than the sum of its proper divisors (110781).

213219 is a wasteful number, since it uses less digits than its factorization.

213219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211 (or 205 counting only the distinct ones).

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

The square root of 213219 is about 461.7564293001. The cubic root of 213219 is about 59.7413869228.

It can be divided in two parts, 21 and 3219, that added together give a triangular number (3240 = T₈₀).

The spelling of 213219 in words is "two hundred thirteen thousand, two hundred nineteen".