4223859 has 8 divisors (see below), whose sum is σ = 5683920. Its totient is φ = 2789856.

The previous prime is 4223839. The next prime is 4223873. The reversal of 4223859 is 9583224.

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 4223859 - 2¹⁵ = 4191091 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 4² + 2¹⁴ + 2²² + 3⁸ + 8 + 5² + 9⁴ .

It is not an unprimeable number, because it can be changed into a prime (4223839) 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 in 7 ways as a sum of consecutive naturals, for example, 6132 + ... + 6785.

It is an arithmetic number, because the mean of its divisors is an integer number (710490).

Almost surely, 2^4223859 is an apocalyptic number.

4223859 is a deficient number, since it is larger than the sum of its proper divisors (1460061).

4223859 is a wasteful number, since it uses less digits than its factorization.

4223859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13029.

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

The square root of 4223859 is about 2055.2029096904. The cubic root of 4223859 is about 161.6478021469.

The spelling of 4223859 in words is "four million, two hundred twenty-three thousand, eight hundred fifty-nine".