188228 has 6 divisors (see below), whose sum is σ = 329406. Its totient is φ = 94112.

The previous prime is 188197. The next prime is 188249. The reversal of 188228 is 822881.

It can be written as a sum of positive squares in only one way, i.e., 114244 + 73984 = 338^2 + 272^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 188228.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23525 + ... + 23532.

It is an arithmetic number, because the mean of its divisors is an integer number (54901).

2¹⁸⁸²²⁸ is an apocalyptic number.

It is an amenable number.

188228 is a deficient number, since it is larger than the sum of its proper divisors (141178).

188228 is a wasteful number, since it uses less digits than its factorization.

188228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47061 (or 47059 counting only the distinct ones).

The product of its digits is 2048, while the sum is 29.

The square root of 188228 is about 433.8525095006. The cubic root of 188228 is about 57.3096921940.

The spelling of 188228 in words is "one hundred eighty-eight thousand, two hundred twenty-eight".