228876311 has 4 divisors (see below), whose sum is σ = 228949800. Its totient is φ = 228802824.

The previous prime is 228876301. The next prime is 228876353. The reversal of 228876311 is 113678822.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 113678822 = 2 ⋅56839411.

It is a cyclic number.

It is not a de Polignac number, because 228876311 - 2¹⁴ = 228859927 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 (228876301) 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, 31856 + ... + 38373.

It is an arithmetic number, because the mean of its divisors is an integer number (57237450).

Almost surely, 2^228876311 is an apocalyptic number.

228876311 is a deficient number, since it is larger than the sum of its proper divisors (73489).

228876311 is an equidigital number, since it uses as much as digits as its factorization.

228876311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73488.

The product of its digits is 32256, while the sum is 38.

The square root of 228876311 is about 15128.6585988316. The cubic root of 228876311 is about 611.6931470031.

The spelling of 228876311 in words is "two hundred twenty-eight million, eight hundred seventy-six thousand, three hundred eleven".