228752635 has 4 divisors (see below), whose sum is σ = 274503168. Its totient is φ = 183002104.

The previous prime is 228752603. The next prime is 228752639. The reversal of 228752635 is 536257822.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 228752635 - 2⁵ = 228752603 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228752639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22875259 + ... + 22875268.

It is an arithmetic number, because the mean of its divisors is an integer number (68625792).

Almost surely, 2^228752635 is an apocalyptic number.

228752635 is a deficient number, since it is larger than the sum of its proper divisors (45750533).

228752635 is an equidigital number, since it uses as much as digits as its factorization.

228752635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45750532.

The product of its digits is 201600, while the sum is 40.

The square root of 228752635 is about 15124.5705724163. The cubic root of 228752635 is about 611.5829486288.

The spelling of 228752635 in words is "two hundred twenty-eight million, seven hundred fifty-two thousand, six hundred thirty-five".