422826 has 16 divisors (see below), whose sum is σ = 890400. Its totient is φ = 133488.

The previous prime is 422803. The next prime is 422827. The reversal of 422826 is 628224.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 422796 and 422805.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 422826.

It is not an unprimeable number, because it can be changed into a prime (422827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1741 + ... + 1968.

It is an arithmetic number, because the mean of its divisors is an integer number (55650).

2⁴²²⁸²⁶ is an apocalyptic number.

422826 is an abundant number, since it is smaller than the sum of its proper divisors (467574).

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

422826 is a wasteful number, since it uses less digits than its factorization.

422826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3733.

The product of its digits is 1536, while the sum is 24.

The square root of 422826 is about 650.2507208762. The cubic root of 422826 is about 75.0563132625.

The spelling of 422826 in words is "four hundred twenty-two thousand, eight hundred twenty-six".