1322999941 has 2 divisors, whose sum is σ = 1322999942. Its totient is φ = 1322999940.

The previous prime is 1322999933. The next prime is 1322999947. The reversal of 1322999941 is 1499992231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1302488100 + 20511841 = 36090^2 + 4529^2 .

It is a cyclic number.

It is not a de Polignac number, because 1322999941 - 2³ = 1322999933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1322999947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661499970 + 661499971.

It is an arithmetic number, because the mean of its divisors is an integer number (661499971).

Almost surely, 2^1322999941 is an apocalyptic number.

It is an amenable number.

1322999941 is a deficient number, since it is larger than the sum of its proper divisors (1).

1322999941 is an equidigital number, since it uses as much as digits as its factorization.

1322999941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 314928, while the sum is 49.

The square root of 1322999941 is about 36373.0661479068. The cubic root of 1322999941 is about 1097.7916966880.

The spelling of 1322999941 in words is "one billion, three hundred twenty-two million, nine hundred ninety-nine thousand, nine hundred forty-one".