4225284 has 108 divisors (see below), whose sum is σ = 13226304. Its totient is φ = 1154736.

The previous prime is 4225283. The next prime is 4225297. The reversal of 4225284 is 4825224.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (108).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4225283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 183697 + ... + 183719.

Almost surely, 2^4225284 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4225284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6613152).

4225284 is an abundant number, since it is smaller than the sum of its proper divisors (9001020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4225284 is an equidigital number, since it uses as much as digits as its factorization.

4225284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58 (or 35 counting only the distinct ones).

The product of its digits is 5120, while the sum is 27.

The square root of 4225284 is about 2055.5495615528. The cubic root of 4225284 is about 161.6659784338.

The spelling of 4225284 in words is "four million, two hundred twenty-five thousand, two hundred eighty-four".