228104663 has 4 divisors (see below), whose sum is σ = 228341520. Its totient is φ = 227867808.

The previous prime is 228104659. The next prime is 228104683. The reversal of 228104663 is 366401822.

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 228104663 - 2² = 228104659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228104683) 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, 116978 + ... + 118911.

It is an arithmetic number, because the mean of its divisors is an integer number (57085380).

Almost surely, 2^228104663 is an apocalyptic number.

228104663 is a deficient number, since it is larger than the sum of its proper divisors (236857).

228104663 is an equidigital number, since it uses as much as digits as its factorization.

228104663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236856.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 228104663 is about 15103.1342111497. The cubic root of 228104663 is about 611.0049394090.

The spelling of 228104663 in words is "two hundred twenty-eight million, one hundred four thousand, six hundred sixty-three".