4225085 has 4 divisors (see below), whose sum is σ = 5070108. Its totient is φ = 3380064.

The previous prime is 4225079. The next prime is 4225099. The reversal of 4225085 is 5805224.

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 879844 + 3345241 = 938^2 + 1829^2 .

It is a cyclic number.

It is not a de Polignac number, because 4225085 - 2⁴ = 4225069 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 3 ways as a sum of consecutive naturals, for example, 422504 + ... + 422513.

It is an arithmetic number, because the mean of its divisors is an integer number (1267527).

Almost surely, 2^4225085 is an apocalyptic number.

It is an amenable number.

4225085 is a deficient number, since it is larger than the sum of its proper divisors (845023).

4225085 is an equidigital number, since it uses as much as digits as its factorization.

4225085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845022.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 4225085 is about 2055.5011554363. The cubic root of 4225085 is about 161.6634403768.

It can be divided in two parts, 422508 and 5, that multiplied together give a triangular number (2112540 = T₂₀₅₅).

The spelling of 4225085 in words is "four million, two hundred twenty-five thousand, eighty-five".