47184228 has 96 divisors (see below), whose sum is σ = 150590720. Its totient is φ = 12441600.

The previous prime is 47184227. The next prime is 47184233. The reversal of 47184228 is 82248174.

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 = 47184192 and 47184201.

It is not an unprimeable number, because it can be changed into a prime (47184223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7428 + ... + 12228.

Almost surely, 2^47184228 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 47184228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75295360).

47184228 is an abundant number, since it is smaller than the sum of its proper divisors (103406492).

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

47184228 is a wasteful number, since it uses less digits than its factorization.

47184228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4834 (or 4826 counting only the distinct ones).

The product of its digits is 28672, while the sum is 36.

The square root of 47184228 is about 6869.0776673437. The cubic root of 47184228 is about 361.3535158304.

The spelling of 47184228 in words is "forty-seven million, one hundred eighty-four thousand, two hundred twenty-eight".