4225528 has 8 divisors (see below), whose sum is σ = 7922880. Its totient is φ = 2112760.

The previous prime is 4225523. The next prime is 4225541. The reversal of 4225528 is 8255224.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 4225496 and 4225505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4225523) by changing a digit.

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 as a sum of consecutive naturals, namely, 264088 + ... + 264103.

It is an arithmetic number, because the mean of its divisors is an integer number (990360).

Almost surely, 2^4225528 is an apocalyptic number.

It is an amenable number.

4225528 is a deficient number, since it is larger than the sum of its proper divisors (3697352).

4225528 is a wasteful number, since it uses less digits than its factorization.

4225528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528197 (or 528193 counting only the distinct ones).

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

The square root of 4225528 is about 2055.6089122204. The cubic root of 4225528 is about 161.6690903145.

It can be divided in two parts, 4225 and 528, that added together give a triangular number (4753 = T₉₇).

The spelling of 4225528 in words is "four million, two hundred twenty-five thousand, five hundred twenty-eight".