4428825 has 12 divisors (see below), whose sum is σ = 7322448. Its totient is φ = 2362000.

The previous prime is 4428821. The next prime is 4428829. The reversal of 4428825 is 5288244.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4428821) and next prime (4428829).

It is not a de Polignac number, because 4428825 - 2² = 4428821 is a prime.

It is a super-2 number, since 2×4428825² = 39228981761250, which contains 22 as substring.

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

It is an Ulam number.

It is a d-powerful number, because it can be written as 4⁵ + 4⁸ + 2¹⁷ + 8⁴ + 8⁵ + 2²² + 5² .

It is not an unprimeable number, because it can be changed into a prime (4428821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29451 + ... + 29600.

It is an arithmetic number, because the mean of its divisors is an integer number (610204).

Almost surely, 2^4428825 is an apocalyptic number.

It is an amenable number.

4428825 is a deficient number, since it is larger than the sum of its proper divisors (2893623).

4428825 is a wasteful number, since it uses less digits than its factorization.

4428825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59064 (or 59059 counting only the distinct ones).

The product of its digits is 20480, while the sum is 33.

The square root of 4428825 is about 2104.4773697999. The cubic root of 4428825 is about 164.2213079068.

It can be divided in two parts, 4428 and 825, that added together give a triangular number (5253 = T₁₀₂).

The spelling of 4428825 in words is "four million, four hundred twenty-eight thousand, eight hundred twenty-five".