4428559 has 2 divisors, whose sum is σ = 4428560. Its totient is φ = 4428558.

The previous prime is 4428553. The next prime is 4428587. The reversal of 4428559 is 9558244.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4428559 is a prime.

It is a super-2 number, since 2×4428559² = 39224269632962, which contains 22 as substring.

4428559 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4428553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2214279 + 2214280.

It is an arithmetic number, because the mean of its divisors is an integer number (2214280).

Almost surely, 2^4428559 is an apocalyptic number.

4428559 is a deficient number, since it is larger than the sum of its proper divisors (1).

4428559 is an equidigital number, since it uses as much as digits as its factorization.

4428559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 57600, while the sum is 37.

The square root of 4428559 is about 2104.4141702621. The cubic root of 4428559 is about 164.2180200714.

It can be divided in two parts, 44285 and 59, that added together give a palindrome (44344).

The spelling of 4428559 in words is "four million, four hundred twenty-eight thousand, five hundred fifty-nine".