822422 has 4 divisors (see below), whose sum is σ = 1233636. Its totient is φ = 411210.

The previous prime is 822407. The next prime is 822431. The reversal of 822422 is 224228.

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 = 822394 and 822403.

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, 205604 + ... + 205607.

It is an arithmetic number, because the mean of its divisors is an integer number (308409).

2⁸²²⁴²² is an apocalyptic number.

822422 is a deficient number, since it is larger than the sum of its proper divisors (411214).

822422 is a wasteful number, since it uses less digits than its factorization.

822422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411213.

The product of its digits is 512, while the sum is 20.

The square root of 822422 is about 906.8748535493. The cubic root of 822422 is about 93.6910788281.

The spelling of 822422 in words is "eight hundred twenty-two thousand, four hundred twenty-two".