4228539 has 8 divisors (see below), whose sum is σ = 6443520. Its totient is φ = 2416296.

The previous prime is 4228537. The next prime is 4228559. The reversal of 4228539 is 9358224.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4228539 - 2¹ = 4228537 is a prime.

It is a d-powerful number, because it can be written as 4⁵ + 2 + 2²¹ + 8 + 5⁹ + 3¹¹ + 9² .

It is not an unprimeable number, because it can be changed into a prime (4228531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100659 + ... + 100700.

It is an arithmetic number, because the mean of its divisors is an integer number (805440).

Almost surely, 2^4228539 is an apocalyptic number.

4228539 is a deficient number, since it is larger than the sum of its proper divisors (2214981).

4228539 is a wasteful number, since it uses less digits than its factorization.

4228539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201369.

The product of its digits is 17280, while the sum is 33.

The square root of 4228539 is about 2056.3411681917. The cubic root of 4228539 is about 161.7074815762.

It can be divided in two parts, 42285 and 39, that added together give a palindrome (42324).

The spelling of 4228539 in words is "four million, two hundred twenty-eight thousand, five hundred thirty-nine".