326722241 has 2 divisors, whose sum is σ = 326722242. Its totient is φ = 326722240.

The previous prime is 326722229. The next prime is 326722243. The reversal of 326722241 is 142227623.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 279057025 + 47665216 = 16705^2 + 6904^2 .

It is an emirp because it is prime and its reverse (142227623) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 326722241 - 2¹⁴ = 326705857 is a prime.

It is a Sophie Germain prime.

Together with 326722243, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (326722243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163361120 + 163361121.

It is an arithmetic number, because the mean of its divisors is an integer number (163361121).

Almost surely, 2^326722241 is an apocalyptic number.

It is an amenable number.

326722241 is a deficient number, since it is larger than the sum of its proper divisors (1).

326722241 is an equidigital number, since it uses as much as digits as its factorization.

326722241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 29.

The square root of 326722241 is about 18075.4596345432. The cubic root of 326722241 is about 688.7467561329.

Adding to 326722241 its reverse (142227623), we get a palindrome (468949864).

The spelling of 326722241 in words is "three hundred twenty-six million, seven hundred twenty-two thousand, two hundred forty-one".