228759472 has 20 divisors (see below), whose sum is σ = 462492720. Its totient is φ = 109406528.

The previous prime is 228759469. The next prime is 228759491. The reversal of 228759472 is 274957822.

228759472 is digitally balanced in base 2, 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 (46).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 310447 + ... + 311182.

It is an arithmetic number, because the mean of its divisors is an integer number (23124636).

Almost surely, 2^228759472 is an apocalyptic number.

It is an amenable number.

228759472 is an abundant number, since it is smaller than the sum of its proper divisors (233733248).

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

228759472 is a wasteful number, since it uses less digits than its factorization.

228759472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621660 (or 621654 counting only the distinct ones).

The product of its digits is 564480, while the sum is 46.

The square root of 228759472 is about 15124.7965936736. The cubic root of 228759472 is about 611.5890416019.

The spelling of 228759472 in words is "two hundred twenty-eight million, seven hundred fifty-nine thousand, four hundred seventy-two".