228840570 has 192 divisors, whose sum is σ = 752094720. Its totient is φ = 47038464.

The previous prime is 228840569. The next prime is 228840571. The reversal of 228840570 is 75048822.

It is a happy number.

228840570 is a `hidden beast` number, since 2 + 2 + 8 + 84 + 0 + 570 = 666.

It is an interprime number because it is at equal distance from previous prime (228840569) and next prime (228840571).

It is not an unprimeable number, because it can be changed into a prime (228840571) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 245866 + ... + 246794.

It is an arithmetic number, because the mean of its divisors is an integer number (3917160).

Almost surely, 2^228840570 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228840570, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (376047360).

228840570 is an abundant number, since it is smaller than the sum of its proper divisors (523254150).

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

228840570 is a wasteful number, since it uses less digits than its factorization.

228840570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989 (or 986 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 228840570 is about 15127.4773177817. The cubic root of 228840570 is about 611.6613049676.

The spelling of 228840570 in words is "two hundred twenty-eight million, eight hundred forty thousand, five hundred seventy".