4224085 has 8 divisors (see below), whose sum is σ = 5102136. Its totient is φ = 3357120.

The previous prime is 4224049. The next prime is 4224097. The reversal of 4224085 is 5804224.

4224085 = T₁₄₉ + T₁₅₀ + ... + T₃₀₅.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 66564 + 4157521 = 258^2 + 2039^2 .

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

It is not a de Polignac number, because 4224085 - 2¹¹ = 4222037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1906 + ... + 3475.

It is an arithmetic number, because the mean of its divisors is an integer number (637767).

Almost surely, 2^4224085 is an apocalyptic number.

It is an amenable number.

4224085 is a deficient number, since it is larger than the sum of its proper divisors (878051).

4224085 is a wasteful number, since it uses less digits than its factorization.

4224085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5543.

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

The square root of 4224085 is about 2055.2578913606. The cubic root of 4224085 is about 161.6506851150.

The spelling of 4224085 in words is "four million, two hundred twenty-four thousand, eighty-five".