228317343 has 16 divisors (see below), whose sum is σ = 326247936. Its totient is φ = 141657120.

The previous prime is 228317249. The next prime is 228317359. The reversal of 228317343 is 343713822.

It is not a de Polignac number, because 228317343 - 2²¹ = 226220191 is a prime.

It is a super-2 number, since 2×228317343² = 104257618229159298, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228317393) 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, 42163 + ... + 47268.

It is an arithmetic number, because the mean of its divisors is an integer number (20390496).

Almost surely, 2^228317343 is an apocalyptic number.

228317343 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

228317343 is a deficient number, since it is larger than the sum of its proper divisors (97930593).

228317343 is a wasteful number, since it uses less digits than its factorization.

228317343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89494.

The product of its digits is 24192, while the sum is 33.

The square root of 228317343 is about 15110.1734933786. The cubic root of 228317343 is about 611.1947764814.

The spelling of 228317343 in words is "two hundred twenty-eight million, three hundred seventeen thousand, three hundred forty-three".