226187 has 8 divisors (see below), whose sum is σ = 247296. Its totient is φ = 205632.

The previous prime is 226183. The next prime is 226189. The reversal of 226187 is 781622.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 226187 - 2² = 226183 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1583 + ... + 1719.

It is an arithmetic number, because the mean of its divisors is an integer number (30912).

2²²⁶¹⁸⁷ is an apocalyptic number.

226187 is a deficient number, since it is larger than the sum of its proper divisors (21109).

226187 is a wasteful number, since it uses less digits than its factorization.

226187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277.

The product of its digits is 1344, while the sum is 26.

The square root of 226187 is about 475.5912110206. The cubic root of 226187 is about 60.9287890682.

The spelling of 226187 in words is "two hundred twenty-six thousand, one hundred eighty-seven".