4227239 has 12 divisors (see below), whose sum is σ = 4525752. Its totient is φ = 3946800.

The previous prime is 4227229. The next prime is 4227247. The reversal of 4227239 is 9327224.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-4227239 is a prime.

It is a d-powerful number, because it can be written as 4¹¹ + 2 + 2⁵ + 7² + 2¹⁵ + 3 + 9² .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4227229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32204 + ... + 32334.

It is an arithmetic number, because the mean of its divisors is an integer number (377146).

Almost surely, 2^4227239 is an apocalyptic number.

4227239 is a deficient number, since it is larger than the sum of its proper divisors (298513).

4227239 is a wasteful number, since it uses less digits than its factorization.

4227239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238 (or 215 counting only the distinct ones).

The product of its digits is 6048, while the sum is 29.

The square root of 4227239 is about 2056.0250484855. The cubic root of 4227239 is about 161.6909083758.

The spelling of 4227239 in words is "four million, two hundred twenty-seven thousand, two hundred thirty-nine".