422808 has 32 divisors (see below), whose sum is σ = 1075200. Its totient is φ = 138528.

The previous prime is 422803. The next prime is 422827. The reversal of 422808 is 808224.

It is a Harshad number since it is a multiple of its sum of digits (24).

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 (422803) 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, 1785 + ... + 2007.

It is an arithmetic number, because the mean of its divisors is an integer number (33600).

2⁴²²⁸⁰⁸ is an apocalyptic number.

It is an amenable number.

422808 is an abundant number, since it is smaller than the sum of its proper divisors (652392).

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

422808 is a wasteful number, since it uses less digits than its factorization.

422808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311 (or 307 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 422808 is about 650.2368799138. The cubic root of 422808 is about 75.0552481807.

It can be divided in two parts, 42 and 2808, that added together give a triangular number (2850 = T₇₅).

The spelling of 422808 in words is "four hundred twenty-two thousand, eight hundred eight".