304422073 has 2 divisors, whose sum is σ = 304422074. Its totient is φ = 304422072.

The previous prime is 304422031. The next prime is 304422101. The reversal of 304422073 is 370224403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 275294464 + 29127609 = 16592^2 + 5397^2 .

It is a cyclic number.

It is not a de Polignac number, because 304422073 - 2¹³ = 304413881 is a prime.

It is not a weakly prime, because it can be changed into another prime (304422373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152211036 + 152211037.

It is an arithmetic number, because the mean of its divisors is an integer number (152211037).

Almost surely, 2^304422073 is an apocalyptic number.

It is an amenable number.

304422073 is a deficient number, since it is larger than the sum of its proper divisors (1).

304422073 is an equidigital number, since it uses as much as digits as its factorization.

304422073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 25.

The square root of 304422073 is about 17447.6953492431. The cubic root of 304422073 is about 672.7061214563.

Adding to 304422073 its reverse (370224403), we get a palindrome (674646476).

The spelling of 304422073 in words is "three hundred four million, four hundred twenty-two thousand, seventy-three".