4428625 has 16 divisors (see below), whose sum is σ = 5616000. Its totient is φ = 3486000.

The previous prime is 4428607. The next prime is 4428643. The reversal of 4428625 is 5268244.

It is an interprime number because it is at equal distance from previous prime (4428607) and next prime (4428643).

It is not a de Polignac number, because 4428625 - 2⁷ = 4428497 is a prime.

It is a super-2 number, since 2×4428625² = 39225438781250, which contains 22 as substring.

It is a d-powerful number, because it can be written as 4⁷ + 4¹¹ + 2¹³ + 8³ + 6² + 2¹⁷ + 5⁷ .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8626 + ... + 9124.

It is an arithmetic number, because the mean of its divisors is an integer number (351000).

Almost surely, 2^4428625 is an apocalyptic number.

It is an amenable number.

4428625 is a deficient number, since it is larger than the sum of its proper divisors (1187375).

4428625 is an equidigital number, since it uses as much as digits as its factorization.

4428625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585 (or 575 counting only the distinct ones).

The product of its digits is 15360, while the sum is 31.

The square root of 4428625 is about 2104.4298515275. The cubic root of 4428625 is about 164.2188358624.

The spelling of 4428625 in words is "four million, four hundred twenty-eight thousand, six hundred twenty-five".