422454349 has 2 divisors, whose sum is σ = 422454350. Its totient is φ = 422454348.

The previous prime is 422454323. The next prime is 422454367. The reversal of 422454349 is 943454224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 323352324 + 99102025 = 17982^2 + 9955^2 .

It is a cyclic number.

It is not a de Polignac number, because 422454349 - 2¹¹ = 422452301 is a prime.

It is a super-3 number, since 3×422454349³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422454649) 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, 211227174 + 211227175.

It is an arithmetic number, because the mean of its divisors is an integer number (211227175).

Almost surely, 2^422454349 is an apocalyptic number.

It is an amenable number.

422454349 is a deficient number, since it is larger than the sum of its proper divisors (1).

422454349 is an equidigital number, since it uses as much as digits as its factorization.

422454349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 138240, while the sum is 37.

The square root of 422454349 is about 20553.6942908082. The cubic root of 422454349 is about 750.3431608895.

The spelling of 422454349 in words is "four hundred twenty-two million, four hundred fifty-four thousand, three hundred forty-nine".