426822 has 32 divisors (see below), whose sum is σ = 967680. Its totient is φ = 124320.

The previous prime is 426799. The next prime is 426841. The reversal of 426822 is 228624.

It is a junction number, because it is equal to n+sod(n) for n = 426792 and 426801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1803 + ... + 2025.

It is an arithmetic number, because the mean of its divisors is an integer number (30240).

2⁴²⁶⁸²² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 426822, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (483840).

426822 is an abundant number, since it is smaller than the sum of its proper divisors (540858).

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

426822 is a wasteful number, since it uses less digits than its factorization.

426822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268.

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

The square root of 426822 is about 653.3161562368. The cubic root of 426822 is about 75.2920170935.

The spelling of 426822 in words is "four hundred twenty-six thousand, eight hundred twenty-two".