228417 has 16 divisors (see below), whose sum is σ = 355200. Its totient is φ = 127872.

The previous prime is 228409. The next prime is 228419. The reversal of 228417 is 714822.

228417 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 228417 - 2³ = 228409 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228419) 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, 1459 + ... + 1607.

It is an arithmetic number, because the mean of its divisors is an integer number (22200).

2²²⁸⁴¹⁷ is an apocalyptic number.

It is an amenable number.

228417 is a deficient number, since it is larger than the sum of its proper divisors (126783).

228417 is a wasteful number, since it uses less digits than its factorization.

228417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232.

The product of its digits is 896, while the sum is 24.

The square root of 228417 is about 477.9299111795. The cubic root of 228417 is about 61.1283689245.

The spelling of 228417 in words is "two hundred twenty-eight thousand, four hundred seventeen".