228667313 has 16 divisors (see below), whose sum is σ = 265175040. Its totient is φ = 193139856.

The previous prime is 228667279. The next prime is 228667319. The reversal of 228667313 is 313766822.

It is not a de Polignac number, because 228667313 - 2¹⁶ = 228601777 is a prime.

It is a Smith number, since the sum of its digits (38) 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 (228667319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171656 + ... + 172982.

It is an arithmetic number, because the mean of its divisors is an integer number (16573440).

Almost surely, 2^228667313 is an apocalyptic number.

It is an amenable number.

228667313 is a deficient number, since it is larger than the sum of its proper divisors (36507727).

228667313 is a wasteful number, since it uses less digits than its factorization.

228667313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1676.

The product of its digits is 72576, while the sum is 38.

The square root of 228667313 is about 15121.7496672839. The cubic root of 228667313 is about 611.5069014620.

The spelling of 228667313 in words is "two hundred twenty-eight million, six hundred sixty-seven thousand, three hundred thirteen".