214217 has 4 divisors (see below), whose sum is σ = 226836. Its totient is φ = 201600.

The previous prime is 214213. The next prime is 214219. The reversal of 214217 is 712412.

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

It can be written as a sum of positive squares in 2 ways, for example, as 121801 + 92416 = 349^2 + 304^2 .

It is a cyclic number.

It is not a de Polignac number, because 214217 - 2² = 214213 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 12601 = 214217 / (2 + 1 + 4 + 2 + 1 + 7).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 214195 and 214204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6284 + ... + 6317.

It is an arithmetic number, because the mean of its divisors is an integer number (56709).

2²¹⁴²¹⁷ is an apocalyptic number.

It is an amenable number.

214217 is a deficient number, since it is larger than the sum of its proper divisors (12619).

214217 is a wasteful number, since it uses less digits than its factorization.

214217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12618.

The product of its digits is 112, while the sum is 17.

The square root of 214217 is about 462.8358240240. The cubic root of 214217 is about 59.8344510533.

Adding to 214217 its reverse (712412), we get a palindrome (926629).

The spelling of 214217 in words is "two hundred fourteen thousand, two hundred seventeen", and thus it is an iban number.