321226 has 8 divisors (see below), whose sum is σ = 489924. Its totient is φ = 157920.

The previous prime is 321221. The next prime is 321227. The reversal of 321226 is 622123.

It can be written as a sum of positive squares in 2 ways, for example, as 251001 + 70225 = 501^2 + 265^2 .

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

It is a super-2 number, since 2×321226² = 206372286152, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (321221) 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, 1195 + ... + 1438.

2³²¹²²⁶ is an apocalyptic number.

321226 is a deficient number, since it is larger than the sum of its proper divisors (168698).

321226 is a wasteful number, since it uses less digits than its factorization.

321226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2696.

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

The square root of 321226 is about 566.7680301499. The cubic root of 321226 is about 68.4862778203.

Adding to 321226 its reverse (622123), we get a palindrome (943349).

The spelling of 321226 in words is "three hundred twenty-one thousand, two hundred twenty-six".