422166 has 16 divisors (see below), whose sum is σ = 857088. Its totient is φ = 138600.

The previous prime is 422141. The next prime is 422183. The reversal of 422166 is 661224.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70 + ... + 921.

It is an arithmetic number, because the mean of its divisors is an integer number (53568).

2⁴²²¹⁶⁶ is an apocalyptic number.

422166 is an abundant number, since it is smaller than the sum of its proper divisors (434922).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

422166 is a wasteful number, since it uses less digits than its factorization.

422166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067.

The product of its digits is 576, while the sum is 21.

The square root of 422166 is about 649.7430261265. The cubic root of 422166 is about 75.0172404810.

The spelling of 422166 in words is "four hundred twenty-two thousand, one hundred sixty-six".