422085073 has 2 divisors, whose sum is σ = 422085074. Its totient is φ = 422085072.

The previous prime is 422085067. The next prime is 422085089. The reversal of 422085073 is 370580224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 292307409 + 129777664 = 17097^2 + 11392^2 .

It is a cyclic number.

It is not a de Polignac number, because 422085073 - 2²⁵ = 388530641 is a prime.

It is not a weakly prime, because it can be changed into another prime (422085373) 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, 211042536 + 211042537.

It is an arithmetic number, because the mean of its divisors is an integer number (211042537).

Almost surely, 2^422085073 is an apocalyptic number.

It is an amenable number.

422085073 is a deficient number, since it is larger than the sum of its proper divisors (1).

422085073 is an equidigital number, since it uses as much as digits as its factorization.

422085073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 422085073 is about 20544.7091242490. The cubic root of 422085073 is about 750.1244670465.

The spelling of 422085073 in words is "four hundred twenty-two million, eighty-five thousand, seventy-three".