226312 has 8 divisors (see below), whose sum is σ = 424350. Its totient is φ = 113152.

The previous prime is 226307. The next prime is 226313. The reversal of 226312 is 213622.

It can be written as a sum of positive squares in only one way, i.e., 139876 + 86436 = 374^2 + 294^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (226313) by changing a digit.

226312 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, 14137 + ... + 14152.

2²²⁶³¹² is an apocalyptic number.

It is an amenable number.

226312 is a deficient number, since it is larger than the sum of its proper divisors (198038).

226312 is a wasteful number, since it uses less digits than its factorization.

226312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28295 (or 28291 counting only the distinct ones).

The product of its digits is 144, while the sum is 16.

The square root of 226312 is about 475.7226082498. The cubic root of 226312 is about 60.9400108981.

Adding to 226312 its reverse (213622), we get a palindrome (439934).

The spelling of 226312 in words is "two hundred twenty-six thousand, three hundred twelve".