189226 has 4 divisors (see below), whose sum is σ = 283842. Its totient is φ = 94612.

The previous prime is 189223. The next prime is 189229. The reversal of 189226 is 622981.

It is a happy number.

189226 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 435²+1.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 622981 = 59 ⋅10559.

It is an interprime number because it is at equal distance from previous prime (189223) and next prime (189229).

It can be written as a sum of positive squares in only one way, i.e., 189225 + 1 = 435^2 + 1^2 .

It is a junction number, because it is equal to n+sod(n) for n = 189194 and 189203.

It is not an unprimeable number, because it can be changed into a prime (189223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47305 + ... + 47308.

2¹⁸⁹²²⁶ is an apocalyptic number.

189226 is a deficient number, since it is larger than the sum of its proper divisors (94616).

189226 is an equidigital number, since it uses as much as digits as its factorization.

189226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94615.

The product of its digits is 1728, while the sum is 28.

The square root of 189226 is about 435.0011494238. The cubic root of 189226 is about 57.4108005754.

The spelling of 189226 in words is "one hundred eighty-nine thousand, two hundred twenty-six".