322948057 has 2 divisors, whose sum is σ = 322948058. Its totient is φ = 322948056.

The previous prime is 322947967. The next prime is 322948063. The reversal of 322948057 is 750849223.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 322166601 + 781456 = 17949^2 + 884^2 .

It is an emirp because it is prime and its reverse (750849223) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-322948057 is a prime.

It is not a weakly prime, because it can be changed into another prime (322948097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161474028 + 161474029.

It is an arithmetic number, because the mean of its divisors is an integer number (161474029).

Almost surely, 2^322948057 is an apocalyptic number.

It is an amenable number.

322948057 is a deficient number, since it is larger than the sum of its proper divisors (1).

322948057 is an equidigital number, since it uses as much as digits as its factorization.

322948057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 322948057 is about 17970.7556045927. The cubic root of 322948057 is about 686.0844222587.

It can be divided in two parts, 32 and 2948057, that added together give a square (2948089 = 1717²).

The spelling of 322948057 in words is "three hundred twenty-two million, nine hundred forty-eight thousand, fifty-seven".