1322213159 has 2 divisors, whose sum is σ = 1322213160. Its totient is φ = 1322213158.

The previous prime is 1322213089. The next prime is 1322213183. The reversal of 1322213159 is 9513122231.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1322213159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1322213359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661106579 + 661106580.

It is an arithmetic number, because the mean of its divisors is an integer number (661106580).

Almost surely, 2^1322213159 is an apocalyptic number.

1322213159 is a deficient number, since it is larger than the sum of its proper divisors (1).

1322213159 is an equidigital number, since it uses as much as digits as its factorization.

1322213159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3240, while the sum is 29.

The square root of 1322213159 is about 36362.2490916060. The cubic root of 1322213159 is about 1097.5740363052.

The spelling of 1322213159 in words is "one billion, three hundred twenty-two million, two hundred thirteen thousand, one hundred fifty-nine".