822022 has 4 divisors (see below), whose sum is σ = 1233036. Its totient is φ = 411010.

The previous prime is 822013. The next prime is 822037. The reversal of 822022 is 220228.

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 = 821987 and 822005.

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, 205504 + ... + 205507.

It is an arithmetic number, because the mean of its divisors is an integer number (308259).

2⁸²²⁰²² is an apocalyptic number.

822022 is a deficient number, since it is larger than the sum of its proper divisors (411014).

822022 is a wasteful number, since it uses less digits than its factorization.

822022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411013.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 822022 is about 906.6542891312. The cubic root of 822022 is about 93.6758869076.

The spelling of 822022 in words is "eight hundred twenty-two thousand, twenty-two".