228516330475 has 6 divisors (see below), whose sum is σ = 283360249820. Its totient is φ = 182813064360.

The previous prime is 228516330473. The next prime is 228516330487. The reversal of 228516330475 is 574033615822.

It is not a de Polignac number, because 228516330475 - 2¹ = 228516330473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (228516330473) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4570326585 + ... + 4570326634.

Almost surely, 2^228516330475 is an apocalyptic number.

228516330475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

228516330475 is a deficient number, since it is larger than the sum of its proper divisors (54843919345).

228516330475 is an equidigital number, since it uses as much as digits as its factorization.

228516330475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9140653229 (or 9140653224 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 46.

The spelling of 228516330475 in words is "two hundred twenty-eight billion, five hundred sixteen million, three hundred thirty thousand, four hundred seventy-five".