322906 has 4 divisors (see below), whose sum is σ = 484362. Its totient is φ = 161452.

The previous prime is 322901. The next prime is 322919. The reversal of 322906 is 609223.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 609223 = 359 ⋅1697.

It can be written as a sum of positive squares in only one way, i.e., 210681 + 112225 = 459^2 + 335^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (322901) 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 as a sum of consecutive naturals, namely, 80725 + ... + 80728.

2³²²⁹⁰⁶ is an apocalyptic number.

322906 is a deficient number, since it is larger than the sum of its proper divisors (161456).

322906 is a wasteful number, since it uses less digits than its factorization.

322906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161455.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 322906 is about 568.2481852149. The cubic root of 322906 is about 68.6054638413.

The spelling of 322906 in words is "three hundred twenty-two thousand, nine hundred six".