228294311 has 8 divisors (see below), whose sum is σ = 262963200. Its totient is φ = 194139288.

The previous prime is 228294301. The next prime is 228294331. The reversal of 228294311 is 113492822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 228294311 - 2²⁶ = 161185447 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 (228294301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127511 + ... + 129288.

It is an arithmetic number, because the mean of its divisors is an integer number (32870400).

Almost surely, 2^228294311 is an apocalyptic number.

228294311 is a deficient number, since it is larger than the sum of its proper divisors (34668889).

228294311 is a wasteful number, since it uses less digits than its factorization.

228294311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256933.

The product of its digits is 6912, while the sum is 32.

The square root of 228294311 is about 15109.4113386326. The cubic root of 228294311 is about 611.1742239305.

The spelling of 228294311 in words is "two hundred twenty-eight million, two hundred ninety-four thousand, three hundred eleven".