1330022321 has 2 divisors, whose sum is σ = 1330022322.
Its totient is φ = 1330022320.
The previous prime is 1330022261. The next prime is 1330022327. The reversal of 1330022321 is 1232200331.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1291396096 + 38626225 = 35936^2 + 6215^2
It is a cyclic number.
It is not a de Polignac number, because 1330022321 - 26 = 1330022257 is a prime.
It is a Sophie Germain prime.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 1330022321.
It is not a weakly prime, because it can be changed into another prime (1330022327) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665011160 + 665011161.
It is an arithmetic number, because the mean of its divisors is an integer number (665011161).
Almost surely, 21330022321 is an apocalyptic number.
It is an amenable number.
1330022321 is a deficient number, since it is larger than the sum of its proper divisors (1).
1330022321 is an equidigital number, since it uses as much as digits as its factorization.
1330022321 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 216, while the sum is 17.
The square root of 1330022321 is about 36469.4710819886.
The cubic root of 1330022321 is about 1099.7306009695.
Adding to 1330022321 its reverse (1232200331), we get a palindrome (2562222652).
The spelling of 1330022321 in words is "one billion, three hundred thirty million, twenty-two thousand, three hundred twenty-one".