228565570 has 24 divisors (see below), whose sum is σ = 421728372. Its totient is φ = 89189760.

The previous prime is 228565567. The next prime is 228565577. The reversal of 228565570 is 75565822.

228565570 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 1852321 + 226713249 = 1361^2 + 15057^2 .

It is not an unprimeable number, because it can be changed into a prime (228565577) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10012 + ... + 23608.

Almost surely, 2^228565570 is an apocalyptic number.

228565570 is a deficient number, since it is larger than the sum of its proper divisors (193162802).

228565570 is a wasteful number, since it uses less digits than its factorization.

228565570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13686 (or 13645 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 40.

The square root of 228565570 is about 15118.3851650896. The cubic root of 228565570 is about 611.4161935894.

The spelling of 228565570 in words is "two hundred twenty-eight million, five hundred sixty-five thousand, five hundred seventy".