1322215133 has 2 divisors, whose sum is σ = 1322215134. Its totient is φ = 1322215132.

The previous prime is 1322215129. The next prime is 1322215163. The reversal of 1322215133 is 3315122231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 791465689 + 530749444 = 28133^2 + 23038^2 .

It is a cyclic number.

It is not a de Polignac number, because 1322215133 - 2² = 1322215129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1322215099 and 1322215108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1322215163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661107566 + 661107567.

It is an arithmetic number, because the mean of its divisors is an integer number (661107567).

Almost surely, 2^1322215133 is an apocalyptic number.

It is an amenable number.

1322215133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1322215133 is an equidigital number, since it uses as much as digits as its factorization.

1322215133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1080, while the sum is 23.

The square root of 1322215133 is about 36362.2762351314. The cubic root of 1322215133 is about 1097.5745825132.

Adding to 1322215133 its reverse (3315122231), we get a palindrome (4637337364).

The spelling of 1322215133 in words is "one billion, three hundred twenty-two million, two hundred fifteen thousand, one hundred thirty-three".