422006 has 8 divisors (see below), whose sum is σ = 681744. Its totient is φ = 194760.

The previous prime is 421997. The next prime is 422029. The reversal of 422006 is 600224.

422006 is nontrivially palindromic in base 16.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8090 + ... + 8141.

It is an arithmetic number, because the mean of its divisors is an integer number (85218).

2⁴²²⁰⁰⁶ is an apocalyptic number.

422006 is a deficient number, since it is larger than the sum of its proper divisors (259738).

422006 is a wasteful number, since it uses less digits than its factorization.

422006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16246.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 422006 is about 649.6198888581. The cubic root of 422006 is about 75.0077621596.

It can be divided in two parts, 42 and 2006, that added together give a 11-th power (2048 = 2¹¹).

The spelling of 422006 in words is "four hundred twenty-two thousand, six".