226321 has 4 divisors (see below), whose sum is σ = 239652. Its totient is φ = 212992.

The previous prime is 226313. The next prime is 226337. The reversal of 226321 is 123622.

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

It can be written as a sum of positive squares in 2 ways, for example, as 129600 + 96721 = 360^2 + 311^2 .

It is a cyclic number.

It is not a de Polignac number, because 226321 - 2³ = 226313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 226295 and 226304.

It is not an unprimeable number, because it can be changed into a prime (226381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6640 + ... + 6673.

It is an arithmetic number, because the mean of its divisors is an integer number (59913).

2²²⁶³²¹ is an apocalyptic number.

It is an amenable number.

226321 is a deficient number, since it is larger than the sum of its proper divisors (13331).

226321 is a wasteful number, since it uses less digits than its factorization.

226321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13330.

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

The square root of 226321 is about 475.7320674497. The cubic root of 226321 is about 60.9408187103.

Adding to 226321 its reverse (123622), we get a palindrome (349943).

The spelling of 226321 in words is "two hundred twenty-six thousand, three hundred twenty-one".