228201 has 16 divisors (see below), whose sum is σ = 327360. Its totient is φ = 141120.

The previous prime is 228199. The next prime is 228203. The reversal of 228201 is 102822.

It is an interprime number because it is at equal distance from previous prime (228199) and next prime (228203).

It is not a de Polignac number, because 228201 - 2¹ = 228199 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (228203) 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, 3711 + ... + 3771.

It is an arithmetic number, because the mean of its divisors is an integer number (20460).

2²²⁸²⁰¹ is an apocalyptic number.

It is an amenable number.

228201 is a deficient number, since it is larger than the sum of its proper divisors (99159).

228201 is a wasteful number, since it uses less digits than its factorization.

228201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 228201 is about 477.7038831745. The cubic root of 228201 is about 61.1090943932.

It can be divided in two parts, 2 and 28201, that added together give a triangular number (28203 = T₂₃₇).

The spelling of 228201 in words is "two hundred twenty-eight thousand, two hundred one".