2240330321 has 2 divisors, whose sum is σ = 2240330322. Its totient is φ = 2240330320.

The previous prime is 2240330317. The next prime is 2240330327. The reversal of 2240330321 is 1230330422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1829700625 + 410629696 = 42775^2 + 20264^2 .

It is a cyclic number.

It is not a de Polignac number, because 2240330321 - 2² = 2240330317 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2240330293 and 2240330302.

It is not a weakly prime, because it can be changed into another prime (2240330327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1120165160 + 1120165161.

It is an arithmetic number, because the mean of its divisors is an integer number (1120165161).

Almost surely, 2^2240330321 is an apocalyptic number.

It is an amenable number.

2240330321 is a deficient number, since it is larger than the sum of its proper divisors (1).

2240330321 is an equidigital number, since it uses as much as digits as its factorization.

2240330321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 2240330321 is about 47332.1277886384. The cubic root of 2240330321 is about 1308.4908365032.

Adding to 2240330321 its reverse (1230330422), we get a palindrome (3470660743).

The spelling of 2240330321 in words is "two billion, two hundred forty million, three hundred thirty thousand, three hundred twenty-one".