422066 has 16 divisors (see below), whose sum is σ = 691200. Its totient is φ = 192528.

The previous prime is 422063. The next prime is 422069. The reversal of 422066 is 660224.

It is an interprime number because it is at equal distance from previous prime (422063) and next prime (422069).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 911 + ... + 1293.

It is an arithmetic number, because the mean of its divisors is an integer number (43200).

2⁴²²⁰⁶⁶ is an apocalyptic number.

422066 is a deficient number, since it is larger than the sum of its proper divisors (269134).

422066 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (422065) it forms an eRAP, since the sums of their prime factors are consecutive (432 and 433).

422066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 422066 is about 649.6660680688. Note that the first 3 decimals coincide. The cubic root of 422066 is about 75.0113168108.

The spelling of 422066 in words is "four hundred twenty-two thousand, sixty-six".