4778228 has 24 divisors (see below), whose sum is σ = 10292352. Its totient is φ = 1890144.

The previous prime is 4778197. The next prime is 4778231. The reversal of 4778228 is 8228774.

It is a junction number, because it is equal to n+sod(n) for n = 4778191 and 4778200.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6200 + ... + 6927.

It is an arithmetic number, because the mean of its divisors is an integer number (428848).

Almost surely, 2^4778228 is an apocalyptic number.

It is an amenable number.

4778228 is an abundant number, since it is smaller than the sum of its proper divisors (5514124).

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

4778228 is a wasteful number, since it uses less digits than its factorization.

4778228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13151 (or 13149 counting only the distinct ones).

The product of its digits is 50176, while the sum is 38.

The square root of 4778228 is about 2185.9158263758. The cubic root of 4778228 is about 168.4311018058.

The spelling of 4778228 in words is "four million, seven hundred seventy-eight thousand, two hundred twenty-eight".