844422 has 32 divisors (see below), whose sum is σ = 1831680. Its totient is φ = 258720.

The previous prime is 844421. The next prime is 844427. The reversal of 844422 is 224448.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 844392 and 844401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (844421) 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, 3897 + ... + 4107.

It is an arithmetic number, because the mean of its divisors is an integer number (57240).

2⁸⁴⁴⁴²² is an apocalyptic number.

844422 is an abundant number, since it is smaller than the sum of its proper divisors (987258).

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

844422 is a wasteful number, since it uses less digits than its factorization.

844422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268.

The product of its digits is 2048, while the sum is 24.

The square root of 844422 is about 918.9243712080. The cubic root of 844422 is about 94.5191585131.

The spelling of 844422 in words is "eight hundred forty-four thousand, four hundred twenty-two".