4217231 has 2 divisors, whose sum is σ = 4217232. Its totient is φ = 4217230.

The previous prime is 4217203. The next prime is 4217233. The reversal of 4217231 is 1327124.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4217231 - 2⁶ = 4217167 is a prime.

It is a super-2 number, since 2×4217231² = 35570074614722, which contains 22 as substring.

Together with 4217233, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4217233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2108615 + 2108616.

It is an arithmetic number, because the mean of its divisors is an integer number (2108616).

Almost surely, 2^4217231 is an apocalyptic number.

4217231 is a deficient number, since it is larger than the sum of its proper divisors (1).

4217231 is an equidigital number, since it uses as much as digits as its factorization.

4217231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 336, while the sum is 20.

The square root of 4217231 is about 2053.5897837689. The cubic root of 4217231 is about 161.5632063204.

The spelling of 4217231 in words is "four million, two hundred seventeen thousand, two hundred thirty-one".