322481 has 4 divisors (see below), whose sum is σ = 323700. Its totient is φ = 321264.

The previous prime is 322463. The next prime is 322501. The reversal of 322481 is 184223.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 128881 + 193600 = 359^2 + 440^2 .

It is a cyclic number.

It is not a de Polignac number, because 322481 - 2⁶ = 322417 is a prime.

It is a super-2 number, since 2×322481² = 207987990722, which contains 22 as substring.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 322481.

It is not an unprimeable number, because it can be changed into a prime (322781) 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 in 3 ways as a sum of consecutive naturals, for example, 26 + ... + 803.

It is an arithmetic number, because the mean of its divisors is an integer number (80925).

2³²²⁴⁸¹ is an apocalyptic number.

It is an amenable number.

322481 is a deficient number, since it is larger than the sum of its proper divisors (1219).

322481 is an equidigital number, since it uses as much as digits as its factorization.

322481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1218.

The product of its digits is 384, while the sum is 20.

The square root of 322481 is about 567.8741057664. The cubic root of 322481 is about 68.5753517514.

The spelling of 322481 in words is "three hundred twenty-two thousand, four hundred eighty-one".