4428205 has 8 divisors (see below), whose sum is σ = 5443704. Its totient is φ = 3456000.

The previous prime is 4428191. The next prime is 4428223. The reversal of 4428205 is 5028244.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 311364 + 4116841 = 558^2 + 2029^2 .

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

It is not a de Polignac number, because 4428205 - 2¹¹ = 4426157 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4428205.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 10596 + ... + 11005.

It is an arithmetic number, because the mean of its divisors is an integer number (680463).

Almost surely, 2^4428205 is an apocalyptic number.

It is an amenable number.

4428205 is a deficient number, since it is larger than the sum of its proper divisors (1015499).

4428205 is a wasteful number, since it uses less digits than its factorization.

4428205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21647.

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 4428205 is about 2104.3300596627. The cubic root of 4428205 is about 164.2136443269.

The spelling of 4428205 in words is "four million, four hundred twenty-eight thousand, two hundred five".