6459228 has 72 divisors (see below), whose sum is σ = 17690400. Its totient is φ = 1981056.

The previous prime is 6459227. The next prime is 6459239. The reversal of 6459228 is 8229546.

It is a happy number.

6459228 is a `hidden beast` number, since 64 + 592 + 2 + 8 = 666.

6459228 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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 = 6459192 and 6459201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6459223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23878 + ... + 24146.

It is an arithmetic number, because the mean of its divisors is an integer number (245700).

Almost surely, 2^6459228 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 6459228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8845200).

6459228 is an abundant number, since it is smaller than the sum of its proper divisors (11231172).

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

6459228 is a wasteful number, since it uses less digits than its factorization.

6459228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331 (or 326 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 6459228 is about 2541.5011312215. The cubic root of 6459228 is about 186.2345289913.

It can be divided in two parts, 64592 and 28, that added together give a triangular number (64620 = T₃₅₉).

The spelling of 6459228 in words is "six million, four hundred fifty-nine thousand, two hundred twenty-eight".