226306 has 4 divisors (see below), whose sum is σ = 339462. Its totient is φ = 113152.

The previous prime is 226283. The next prime is 226307. The reversal of 226306 is 603622.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 210681 + 15625 = 459^2 + 125^2 .

It is not an unprimeable number, because it can be changed into a prime (226307) by changing a digit.

226306 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 (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56575 + ... + 56578.

2²²⁶³⁰⁶ is an apocalyptic number.

226306 is a deficient number, since it is larger than the sum of its proper divisors (113156).

226306 is a wasteful number, since it uses less digits than its factorization.

226306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113155.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 226306 is about 475.7163020120. The cubic root of 226306 is about 60.9394723447.

Adding to 226306 its reverse (603622), we get a palindrome (829928).

It can be divided in two parts, 22 and 6306, that added together give a triangular number (6328 = T₁₁₂).

The spelling of 226306 in words is "two hundred twenty-six thousand, three hundred six".