1322000321 has 2 divisors, whose sum is σ = 1322000322. Its totient is φ = 1322000320.

The previous prime is 1322000263. The next prime is 1322000347. The reversal of 1322000321 is 1230002231.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1186044721 + 135955600 = 34439^2 + 11660^2 .

It is a cyclic number.

It is not a de Polignac number, because 1322000321 - 2¹⁰ = 1321999297 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 = 1322000296 and 1322000305.

It is not a weakly prime, because it can be changed into another prime (1322000521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661000160 + 661000161.

It is an arithmetic number, because the mean of its divisors is an integer number (661000161).

Almost surely, 2^1322000321 is an apocalyptic number.

It is an amenable number.

1322000321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1322000321 is an equidigital number, since it uses as much as digits as its factorization.

1322000321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1322000321 is about 36359.3223396696. The cubic root of 1322000321 is about 1097.5151406078.

Adding to 1322000321 its reverse (1230002231), we get a palindrome (2552002552).

The spelling of 1322000321 in words is "one billion, three hundred twenty-two million, three hundred twenty-one", and thus it is an aban number.