228566472 has 128 divisors (see below), whose sum is σ = 619315200. Its totient is φ = 70156800.

The previous prime is 228566467. The next prime is 228566473. The reversal of 228566472 is 274665822.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (228566473) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1799673 + ... + 1799799.

It is an arithmetic number, because the mean of its divisors is an integer number (4838400).

Almost surely, 2^228566472 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 228566472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (309657600).

228566472 is an abundant number, since it is smaller than the sum of its proper divisors (390748728).

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

228566472 is a wasteful number, since it uses less digits than its factorization.

228566472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267 (or 263 counting only the distinct ones).

The product of its digits is 322560, while the sum is 42.

The square root of 228566472 is about 15118.4149962885. The cubic root of 228566472 is about 611.4169978760.

The spelling of 228566472 in words is "two hundred twenty-eight million, five hundred sixty-six thousand, four hundred seventy-two".