228757475 has 6 divisors (see below), whose sum is σ = 283659300. Its totient is φ = 183005960.

The previous prime is 228757469. The next prime is 228757483. The reversal of 228757475 is 574757822.

It is a de Polignac number, because none of the positive numbers 2^k-228757475 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4575125 + ... + 4575174.

It is an arithmetic number, because the mean of its divisors is an integer number (47276550).

Almost surely, 2^228757475 is an apocalyptic number.

228757475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

228757475 is a deficient number, since it is larger than the sum of its proper divisors (54901825).

228757475 is an equidigital number, since it uses as much as digits as its factorization.

228757475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9150309 (or 9150304 counting only the distinct ones).

The product of its digits is 1097600, while the sum is 47.

The square root of 228757475 is about 15124.7305761128. The cubic root of 228757475 is about 611.5872619352.

The spelling of 228757475 in words is "two hundred twenty-eight million, seven hundred fifty-seven thousand, four hundred seventy-five".