4223231 has 2 divisors, whose sum is σ = 4223232. Its totient is φ = 4223230.

The previous prime is 4223207. The next prime is 4223239. The reversal of 4223231 is 1323224.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4223231 - 2²² = 28927 is a prime.

It is a super-2 number, since 2×4223231² = 35671360158722, which contains 22 as substring.

It is a Chen prime.

It is a d-powerful number, because it can be written as 4⁵ + 2¹³ + 2²¹ + 3³ + 2²¹ + 3⁹ + 1 .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4223239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2111615 + 2111616.

It is an arithmetic number, because the mean of its divisors is an integer number (2111616).

Almost surely, 2^4223231 is an apocalyptic number.

4223231 is a deficient number, since it is larger than the sum of its proper divisors (1).

4223231 is an equidigital number, since it uses as much as digits as its factorization.

4223231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288, while the sum is 17.

The square root of 4223231 is about 2055.0501210433. The cubic root of 4223231 is about 161.6397905276.

Adding to 4223231 its reverse (1323224), we get a palindrome (5546455).

The spelling of 4223231 in words is "four million, two hundred twenty-three thousand, two hundred thirty-one".