4947228 has 108 divisors (see below), whose sum is σ = 15180984. Its totient is φ = 1339200.

The previous prime is 4947203. The next prime is 4947251. The reversal of 4947228 is 8227494.

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 4 + 9⁷ + 4³ + 7³ + 2¹⁵ + 2¹⁷ + 8 .

Its product of digits (32256) is a multiple of the sum of its prime factors (96).

It is a junction number, because it is equal to n+sod(n) for n = 4947192 and 4947201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 159573 + ... + 159603.

Almost surely, 2^4947228 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 4947228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7590492).

4947228 is an abundant number, since it is smaller than the sum of its proper divisors (10233756).

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

4947228 is a wasteful number, since it uses less digits than its factorization.

4947228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96 (or 60 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 4947228 is about 2224.2364982169. The cubic root of 4947228 is about 170.3938733498.

The spelling of 4947228 in words is "four million, nine hundred forty-seven thousand, two hundred twenty-eight".