228018475 has 6 divisors (see below), whose sum is σ = 282742940. Its totient is φ = 182414760.

The previous prime is 228018473. The next prime is 228018521. The reversal of 228018475 is 574810822.

It is not a de Polignac number, because 228018475 - 2¹ = 228018473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (228018473) 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, 4560345 + ... + 4560394.

Almost surely, 2^228018475 is an apocalyptic number.

228018475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

228018475 is a deficient number, since it is larger than the sum of its proper divisors (54724465).

228018475 is an equidigital number, since it uses as much as digits as its factorization.

228018475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9120749 (or 9120744 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 37.

The square root of 228018475 is about 15100.2806265314. The cubic root of 228018475 is about 610.9279748451.

The spelling of 228018475 in words is "two hundred twenty-eight million, eighteen thousand, four hundred seventy-five".