188226 has 12 divisors (see below), whose sum is σ = 407862. Its totient is φ = 62736.

The previous prime is 188197. The next prime is 188249. The reversal of 188226 is 622881.

It can be written as a sum of positive squares in only one way, i.e., 123201 + 65025 = 351^2 + 255^2 .

It is a plaindrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 188226.

It is an unprimeable number.

188226 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5211 + ... + 5246.

2¹⁸⁸²²⁶ is an apocalyptic number.

188226 is an abundant number, since it is smaller than the sum of its proper divisors (219636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

188226 is a wasteful number, since it uses less digits than its factorization.

188226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10465 (or 10462 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

The square root of 188226 is about 433.8502045637. The cubic root of 188226 is about 57.3094892136.

It can be divided in two parts, 188 and 226, that added together give a palindrome (414).

The spelling of 188226 in words is "one hundred eighty-eight thousand, two hundred twenty-six".