1322231201 has 2 divisors, whose sum is σ = 1322231202. Its totient is φ = 1322231200.

The previous prime is 1322231167. The next prime is 1322231221. The reversal of 1322231201 is 1021322231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1226680576 + 95550625 = 35024^2 + 9775^2 .

It is an emirp because it is prime and its reverse (1021322231) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1322231201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1322231201.

It is not a weakly prime, because it can be changed into another prime (1322231221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661115600 + 661115601.

It is an arithmetic number, because the mean of its divisors is an integer number (661115601).

Almost surely, 2^1322231201 is an apocalyptic number.

It is an amenable number.

1322231201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1322231201 is an equidigital number, since it uses as much as digits as its factorization.

1322231201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1322231201 is about 36362.4971777242. The cubic root of 1322231201 is about 1097.5790285262.

Adding to 1322231201 its reverse (1021322231), we get a palindrome (2343553432).

The spelling of 1322231201 in words is "one billion, three hundred twenty-two million, two hundred thirty-one thousand, two hundred one".