489570228 has 144 divisors (see below), whose sum is σ = 1510978560. Its totient is φ = 130636800.

The previous prime is 489570223. The next prime is 489570253. The reversal of 489570228 is 822075984.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489570223) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 225468 + ... + 227628.

Almost surely, 2^489570228 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 489570228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (755489280).

489570228 is an abundant number, since it is smaller than the sum of its proper divisors (1021408332).

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

489570228 is a wasteful number, since it uses less digits than its factorization.

489570228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2238 (or 2233 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 489570228 is about 22126.2339316929. The cubic root of 489570228 is about 788.1429585082.

The spelling of 489570228 in words is "four hundred eighty-nine million, five hundred seventy thousand, two hundred twenty-eight".