322980149 has 2 divisors, whose sum is σ = 322980150. Its totient is φ = 322980148.

The previous prime is 322980139. The next prime is 322980169. The reversal of 322980149 is 941089223.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 317481124 + 5499025 = 17818^2 + 2345^2 .

It is an emirp because it is prime and its reverse (941089223) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 322980149 - 2⁸ = 322979893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (322980109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161490074 + 161490075.

It is an arithmetic number, because the mean of its divisors is an integer number (161490075).

Almost surely, 2^322980149 is an apocalyptic number.

It is an amenable number.

322980149 is a deficient number, since it is larger than the sum of its proper divisors (1).

322980149 is an equidigital number, since it uses as much as digits as its factorization.

322980149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 322980149 is about 17971.6484775326. The cubic root of 322980149 is about 686.1071473704.

The spelling of 322980149 in words is "three hundred twenty-two million, nine hundred eighty thousand, one hundred forty-nine".