9825228 has 72 divisors (see below), whose sum is σ = 28700672. Its totient is φ = 2776032.

The previous prime is 9825191. The next prime is 9825247. The reversal of 9825228 is 8225289.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a d-powerful number, because it can be written as 9⁵ + 8 + 2 + 5¹⁰ + 2⁴ + 2⁴ + 8³ .

It is a junction number, because it is equal to n+sod(n) for n = 9825192 and 9825201.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31851 + ... + 32157.

Almost surely, 2^9825228 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 9825228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14350336).

9825228 is an abundant number, since it is smaller than the sum of its proper divisors (18875444).

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

9825228 is a wasteful number, since it uses less digits than its factorization.

9825228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451 (or 446 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 9825228 is about 3134.5219731245. The cubic root of 9825228 is about 214.1809689981.

The spelling of 9825228 in words is "nine million, eight hundred twenty-five thousand, two hundred twenty-eight".