8547228 has 48 divisors (see below), whose sum is σ = 22932000. Its totient is φ = 2749824.

The previous prime is 8547223. The next prime is 8547233. The reversal of 8547228 is 8227458.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (8547223) and next prime (8547233).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is a junction number, because it is equal to n+sod(n) for n = 8547192 and 8547201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8547223) 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 in 15 ways as a sum of consecutive naturals, for example, 1768 + ... + 4496.

It is an arithmetic number, because the mean of its divisors is an integer number (477750).

Almost surely, 2^8547228 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 8547228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11466000).

8547228 is an abundant number, since it is smaller than the sum of its proper divisors (14384772).

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

8547228 is a wasteful number, since it uses less digits than its factorization.

8547228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2771 (or 2763 counting only the distinct ones).

The product of its digits is 35840, while the sum is 36.

The square root of 8547228 is about 2923.5642630187. The cubic root of 8547228 is about 204.4600344742.

The spelling of 8547228 in words is "eight million, five hundred forty-seven thousand, two hundred twenty-eight".