1322976401 has 2 divisors, whose sum is σ = 1322976402. Its totient is φ = 1322976400.

The previous prime is 1322976377. The next prime is 1322976409. The reversal of 1322976401 is 1046792231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1265580625 + 57395776 = 35575^2 + 7576^2 .

It is an emirp because it is prime and its reverse (1046792231) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1322976401 is a prime.

It is not a weakly prime, because it can be changed into another prime (1322976409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661488200 + 661488201.

It is an arithmetic number, because the mean of its divisors is an integer number (661488201).

Almost surely, 2^1322976401 is an apocalyptic number.

It is an amenable number.

1322976401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1322976401 is an equidigital number, since it uses as much as digits as its factorization.

1322976401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 1322976401 is about 36372.7425553807. The cubic root of 1322976401 is about 1097.7851856850.

The spelling of 1322976401 in words is "one billion, three hundred twenty-two million, nine hundred seventy-six thousand, four hundred one".