422711573 has 2 divisors, whose sum is σ = 422711574. Its totient is φ = 422711572.

The previous prime is 422711539. The next prime is 422711581. The reversal of 422711573 is 375117224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 254179249 + 168532324 = 15943^2 + 12982^2 .

It is a cyclic number.

It is not a de Polignac number, because 422711573 - 2¹² = 422707477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422711533) 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, 211355786 + 211355787.

It is an arithmetic number, because the mean of its divisors is an integer number (211355787).

Almost surely, 2^422711573 is an apocalyptic number.

It is an amenable number.

422711573 is a deficient number, since it is larger than the sum of its proper divisors (1).

422711573 is an equidigital number, since it uses as much as digits as its factorization.

422711573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11760, while the sum is 32.

The square root of 422711573 is about 20559.9507051938. The cubic root of 422711573 is about 750.4954196368.

Adding to 422711573 its reverse (375117224), we get a palindrome (797828797).

The spelling of 422711573 in words is "four hundred twenty-two million, seven hundred eleven thousand, five hundred seventy-three".