228734105 has 4 divisors (see below), whose sum is σ = 274480932. Its totient is φ = 182987280.

The previous prime is 228734087. The next prime is 228734113. The reversal of 228734105 is 501437822.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 501437822 = 2 ⋅250718911.

It can be written as a sum of positive squares in 2 ways, for example, as 92871769 + 135862336 = 9637^2 + 11656^2 .

It is not a de Polignac number, because 228734105 - 2¹⁸ = 228471961 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22873406 + ... + 22873415.

It is an arithmetic number, because the mean of its divisors is an integer number (68620233).

Almost surely, 2^228734105 is an apocalyptic number.

It is an amenable number.

228734105 is a deficient number, since it is larger than the sum of its proper divisors (45746827).

228734105 is an equidigital number, since it uses as much as digits as its factorization.

228734105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45746826.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 228734105 is about 15123.9579806346. The cubic root of 228734105 is about 611.5664345195.

The spelling of 228734105 in words is "two hundred twenty-eight million, seven hundred thirty-four thousand, one hundred five".