228973105 has 4 divisors (see below), whose sum is σ = 274767732. Its totient is φ = 183178480.

The previous prime is 228973079. The next prime is 228973111. The reversal of 228973105 is 501379822.

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

It can be written as a sum of positive squares in 2 ways, for example, as 151954929 + 77018176 = 12327^2 + 8776^2 .

It is not a de Polignac number, because 228973105 - 2⁷ = 228972977 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22897306 + ... + 22897315.

It is an arithmetic number, because the mean of its divisors is an integer number (68691933).

Almost surely, 2^228973105 is an apocalyptic number.

It is an amenable number.

228973105 is a deficient number, since it is larger than the sum of its proper divisors (45794627).

228973105 is an equidigital number, since it uses as much as digits as its factorization.

228973105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45794626.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 228973105 is about 15131.8572885155. The cubic root of 228973105 is about 611.7793651611.

The spelling of 228973105 in words is "two hundred twenty-eight million, nine hundred seventy-three thousand, one hundred five".