6181228 has 24 divisors (see below), whose sum is σ = 11113200. Its totient is φ = 3007488.

The previous prime is 6181223. The next prime is 6181229. The reversal of 6181228 is 8221816.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 6181196 and 6181205.

It is not an unprimeable number, because it can be changed into a prime (6181223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34443 + ... + 34621.

It is an arithmetic number, because the mean of its divisors is an integer number (463050).

Almost surely, 2^6181228 is an apocalyptic number.

It is an amenable number.

6181228 is a deficient number, since it is larger than the sum of its proper divisors (4931972).

6181228 is a wasteful number, since it uses less digits than its factorization.

6181228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369 (or 367 counting only the distinct ones).

The product of its digits is 1536, while the sum is 28.

The square root of 6181228 is about 2486.2075536849. The cubic root of 6181228 is about 183.5234596937.

The spelling of 6181228 in words is "six million, one hundred eighty-one thousand, two hundred twenty-eight".