4222585 has 4 divisors (see below), whose sum is σ = 5067108. Its totient is φ = 3378064.

The previous prime is 4222577. The next prime is 4222591. The reversal of 4222585 is 5852224.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1308736 + 2913849 = 1144^2 + 1707^2 .

It is a cyclic number.

It is not a de Polignac number, because 4222585 - 2³ = 4222577 is a prime.

It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 422254 + ... + 422263.

It is an arithmetic number, because the mean of its divisors is an integer number (1266777).

Almost surely, 2^4222585 is an apocalyptic number.

It is an amenable number.

4222585 is a deficient number, since it is larger than the sum of its proper divisors (844523).

4222585 is an equidigital number, since it uses as much as digits as its factorization.

4222585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844522.

The product of its digits is 6400, while the sum is 28.

The square root of 4222585 is about 2054.8929412502. The cubic root of 4222585 is about 161.6315484471.

The spelling of 4222585 in words is "four million, two hundred twenty-two thousand, five hundred eighty-five".