322261 has 2 divisors, whose sum is σ = 322262. Its totient is φ = 322260.

The previous prime is 322249. The next prime is 322271. The reversal of 322261 is 162223.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 269361 + 52900 = 519^2 + 230^2 .

It is a cyclic number.

It is not a de Polignac number, because 322261 - 2⁵ = 322229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (322271) 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, 161130 + 161131.

It is an arithmetic number, because the mean of its divisors is an integer number (161131).

2³²²²⁶¹ is an apocalyptic number.

It is an amenable number.

322261 is a deficient number, since it is larger than the sum of its proper divisors (1).

322261 is an equidigital number, since it uses as much as digits as its factorization.

322261 is an odious number, because the sum of its binary digits is odd.

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

The square root of 322261 is about 567.6803678127. The cubic root of 322261 is about 68.5597539235.

Adding to 322261 its reverse (162223), we get a palindrome (484484).

The spelling of 322261 in words is "three hundred twenty-two thousand, two hundred sixty-one".