228190 has 16 divisors (see below), whose sum is σ = 432720. Its totient is φ = 86400.

The previous prime is 228181. The next prime is 228197. The reversal of 228190 is 91822.

It is a super-4 number, since 4×228190⁴ (a number of 23 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228197) by changing a digit.

228190 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 411 + ... + 790.

It is an arithmetic number, because the mean of its divisors is an integer number (27045).

2²²⁸¹⁹⁰ is an apocalyptic number.

228190 is a deficient number, since it is larger than the sum of its proper divisors (204530).

228190 is a wasteful number, since it uses less digits than its factorization.

228190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1227.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 228190 is about 477.6923696271. The cubic root of 228190 is about 61.1081124944.

The spelling of 228190 in words is "two hundred twenty-eight thousand, one hundred ninety".