228736975 has 6 divisors (see below), whose sum is σ = 283633880. Its totient is φ = 182989560.

The previous prime is 228736969. The next prime is 228736979. The reversal of 228736975 is 579637822.

It is not a de Polignac number, because 228736975 - 2⁵ = 228736943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228736979) 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, 4574715 + ... + 4574764.

Almost surely, 2^228736975 is an apocalyptic number.

228736975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

228736975 is a deficient number, since it is larger than the sum of its proper divisors (54896905).

228736975 is an equidigital number, since it uses as much as digits as its factorization.

228736975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9149489 (or 9149484 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 49.

The square root of 228736975 is about 15124.0528629068. The cubic root of 228736975 is about 611.5689923487.

The spelling of 228736975 in words is "two hundred twenty-eight million, seven hundred thirty-six thousand, nine hundred seventy-five".