228318683 has 4 divisors (see below), whose sum is σ = 228400080. Its totient is φ = 228237288.

The previous prime is 228318679. The next prime is 228318719. The reversal of 228318683 is 386813822.

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 228318683 - 2² = 228318679 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 228318683.

It is not an unprimeable number, because it can be changed into a prime (228318283) 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, 36335 + ... + 42152.

It is an arithmetic number, because the mean of its divisors is an integer number (57100020).

Almost surely, 2^228318683 is an apocalyptic number.

228318683 is a deficient number, since it is larger than the sum of its proper divisors (81397).

228318683 is an equidigital number, since it uses as much as digits as its factorization.

228318683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81396.

The product of its digits is 110592, while the sum is 41.

The square root of 228318683 is about 15110.2178343001. The cubic root of 228318683 is about 611.1959721847.

The spelling of 228318683 in words is "two hundred twenty-eight million, three hundred eighteen thousand, six hundred eighty-three".