1322462221 has 2 divisors, whose sum is σ = 1322462222. Its totient is φ = 1322462220.

The previous prime is 1322462209. The next prime is 1322462227. The reversal of 1322462221 is 1222642231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1179922500 + 142539721 = 34350^2 + 11939^2 .

It is a cyclic number.

It is not a de Polignac number, because 1322462221 - 2¹⁵ = 1322429453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1322462227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661231110 + 661231111.

It is an arithmetic number, because the mean of its divisors is an integer number (661231111).

Almost surely, 2^1322462221 is an apocalyptic number.

It is an amenable number.

1322462221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1322462221 is an equidigital number, since it uses as much as digits as its factorization.

1322462221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 25.

The square root of 1322462221 is about 36365.6736634976. The cubic root of 1322462221 is about 1097.6429477412.

The spelling of 1322462221 in words is "one billion, three hundred twenty-two million, four hundred sixty-two thousand, two hundred twenty-one".