823422 has 32 divisors (see below), whose sum is σ = 1797120. Its totient is φ = 250560.

The previous prime is 823421. The next prime is 823447. The reversal of 823422 is 224328.

823422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (823421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3418 + ... + 3650.

It is an arithmetic number, because the mean of its divisors is an integer number (56160).

2⁸²³⁴²² is an apocalyptic number.

823422 is an abundant number, since it is smaller than the sum of its proper divisors (973698).

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

823422 is a wasteful number, since it uses less digits than its factorization.

823422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288.

The product of its digits is 768, while the sum is 21.

The square root of 823422 is about 907.4260300432. The cubic root of 823422 is about 93.7290370907.

It can be divided in two parts, 8234 and 22, that added together give a triangular number (8256 = T₁₂₈).

The spelling of 823422 in words is "eight hundred twenty-three thousand, four hundred twenty-two".