422281373 has 2 divisors, whose sum is σ = 422281374. Its totient is φ = 422281372.

The previous prime is 422281351. The next prime is 422281423. The reversal of 422281373 is 373182224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 213247609 + 209033764 = 14603^2 + 14458^2 .

It is a cyclic number.

It is not a de Polignac number, because 422281373 - 2⁸ = 422281117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422281313) 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, 211140686 + 211140687.

It is an arithmetic number, because the mean of its divisors is an integer number (211140687).

Almost surely, 2^422281373 is an apocalyptic number.

It is an amenable number.

422281373 is a deficient number, since it is larger than the sum of its proper divisors (1).

422281373 is an equidigital number, since it uses as much as digits as its factorization.

422281373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 32.

The square root of 422281373 is about 20549.4859546413. The cubic root of 422281373 is about 750.2407363494.

The spelling of 422281373 in words is "four hundred twenty-two million, two hundred eighty-one thousand, three hundred seventy-three".