4718228 has 18 divisors (see below), whose sum is σ = 8420958. Its totient is φ = 2313120.

The previous prime is 4718221. The next prime is 4718249. The reversal of 4718228 is 8228174.

It can be written as a sum of positive squares in 3 ways, for example, as 1024144 + 3694084 = 1012^2 + 1922^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4718194 and 4718203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4718221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14726 + ... + 15042.

It is an arithmetic number, because the mean of its divisors is an integer number (467831).

Almost surely, 2^4718228 is an apocalyptic number.

It is an amenable number.

4718228 is a deficient number, since it is larger than the sum of its proper divisors (3702730).

4718228 is a wasteful number, since it uses less digits than its factorization.

4718228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443 (or 380 counting only the distinct ones).

The product of its digits is 7168, while the sum is 32.

The square root of 4718228 is about 2172.1482454013. The cubic root of 4718228 is about 167.7231361941.

The spelling of 4718228 in words is "four million, seven hundred eighteen thousand, two hundred twenty-eight".