843222 has 16 divisors (see below), whose sum is σ = 1695600. Its totient is φ = 279552.

The previous prime is 843211. The next prime is 843229. The reversal of 843222 is 222348.

It is a super-2 number, since 2×843222² = 1422046682568, which contains 22 as substring.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (843229) by changing a digit.

843222 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1654 + ... + 2102.

It is an arithmetic number, because the mean of its divisors is an integer number (105975).

2⁸⁴³²²² is an apocalyptic number.

843222 is an abundant number, since it is smaller than the sum of its proper divisors (852378).

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

843222 is a wasteful number, since it uses less digits than its factorization.

843222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767.

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

The square root of 843222 is about 918.2712017699. The cubic root of 843222 is about 94.4743638643.

The spelling of 843222 in words is "eight hundred forty-three thousand, two hundred twenty-two".