422855 has 8 divisors (see below), whose sum is σ = 529632. Its totient is φ = 323488.

The previous prime is 422827. The next prime is 422857. The reversal of 422855 is 558224.

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

It is a cyclic number.

It is not a de Polignac number, because 422855 - 2¹⁰ = 421831 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422857) 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, 1724 + ... + 1953.

It is an arithmetic number, because the mean of its divisors is an integer number (66204).

2⁴²²⁸⁵⁵ is an apocalyptic number.

422855 is a deficient number, since it is larger than the sum of its proper divisors (106777).

422855 is a wasteful number, since it uses less digits than its factorization.

422855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3705.

The product of its digits is 3200, while the sum is 26.

The square root of 422855 is about 650.2730195849. The cubic root of 422855 is about 75.0580291640.

The spelling of 422855 in words is "four hundred twenty-two thousand, eight hundred fifty-five".