228371 has 8 divisors (see below), whose sum is σ = 268464. Its totient is φ = 191520.

The previous prime is 228359. The next prime is 228383. The reversal of 228371 is 173822.

It is an interprime number because it is at equal distance from previous prime (228359) and next prime (228383).

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

It is a cyclic number.

It is not a de Polignac number, because 228371 - 2⁶ = 228307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 656 + ... + 941.

It is an arithmetic number, because the mean of its divisors is an integer number (33558).

2²²⁸³⁷¹ is an apocalyptic number.

228371 is a deficient number, since it is larger than the sum of its proper divisors (40093).

228371 is a wasteful number, since it uses less digits than its factorization.

228371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1621.

The product of its digits is 672, while the sum is 23.

The square root of 228371 is about 477.8817845451. The cubic root of 228371 is about 61.1242651819.

The spelling of 228371 in words is "two hundred twenty-eight thousand, three hundred seventy-one".