422429443 has 2 divisors, whose sum is σ = 422429444. Its totient is φ = 422429442.

The previous prime is 422429429. The next prime is 422429459. The reversal of 422429443 is 344924224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 422429443 - 2⁵ = 422429411 is a prime.

It is a super-3 number, since 3×422429443³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 422429399 and 422429408.

It is not a weakly prime, because it can be changed into another prime (422429743) 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, 211214721 + 211214722.

It is an arithmetic number, because the mean of its divisors is an integer number (211214722).

Almost surely, 2^422429443 is an apocalyptic number.

422429443 is a deficient number, since it is larger than the sum of its proper divisors (1).

422429443 is an equidigital number, since it uses as much as digits as its factorization.

422429443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 34.

The square root of 422429443 is about 20553.0884053954. The cubic root of 422429443 is about 750.3284149853.

The spelling of 422429443 in words is "four hundred twenty-two million, four hundred twenty-nine thousand, four hundred forty-three".