322240441 has 2 divisors, whose sum is σ = 322240442. Its totient is φ = 322240440.

The previous prime is 322240439. The next prime is 322240483. The reversal of 322240441 is 144042223.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 198697216 + 123543225 = 14096^2 + 11115^2 .

It is a cyclic number.

It is not a de Polignac number, because 322240441 - 2¹ = 322240439 is a prime.

Together with 322240439, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (322240421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161120220 + 161120221.

It is an arithmetic number, because the mean of its divisors is an integer number (161120221).

Almost surely, 2^322240441 is an apocalyptic number.

It is an amenable number.

322240441 is a deficient number, since it is larger than the sum of its proper divisors (1).

322240441 is an equidigital number, since it uses as much as digits as its factorization.

322240441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 322240441 is about 17951.0568212571. The cubic root of 322240441 is about 685.5829594382.

Adding to 322240441 its reverse (144042223), we get a palindrome (466282664).

The spelling of 322240441 in words is "three hundred twenty-two million, two hundred forty thousand, four hundred forty-one".