228975747 has 32 divisors (see below), whose sum is σ = 409920000. Its totient is φ = 109797120.

The previous prime is 228975739. The next prime is 228975751. The reversal of 228975747 is 747579822.

228975747 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 228975747 - 2³ = 228975739 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 228975747.

It is not an unprimeable number, because it can be changed into a prime (228975767) 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, 35122 + ... + 41127.

It is an arithmetic number, because the mean of its divisors is an integer number (12810000).

Almost surely, 2^228975747 is an apocalyptic number.

228975747 is a deficient number, since it is larger than the sum of its proper divisors (180944253).

228975747 is a wasteful number, since it uses less digits than its factorization.

228975747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76283.

The product of its digits is 1975680, while the sum is 51.

The square root of 228975747 is about 15131.9445875274. The cubic root of 228975747 is about 611.7817181520.

The spelling of 228975747 in words is "two hundred twenty-eight million, nine hundred seventy-five thousand, seven hundred forty-seven".