824422 has 4 divisors (see below), whose sum is σ = 1236636. Its totient is φ = 412210.

The previous prime is 824419. The next prime is 824437. The reversal of 824422 is 224428.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 824393 and 824402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206104 + ... + 206107.

It is an arithmetic number, because the mean of its divisors is an integer number (309159).

2⁸²⁴⁴²² is an apocalyptic number.

824422 is a deficient number, since it is larger than the sum of its proper divisors (412214).

824422 is a wasteful number, since it uses less digits than its factorization.

824422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412213.

The product of its digits is 1024, while the sum is 22.

The square root of 824422 is about 907.9768719521. The cubic root of 824422 is about 93.7669646337.

The spelling of 824422 in words is "eight hundred twenty-four thousand, four hundred twenty-two".