842224 has 10 divisors (see below), whose sum is σ = 1631840. Its totient is φ = 421104.

The previous prime is 842209. The next prime is 842249. The reversal of 842224 is 422248.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 842195 and 842204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26304 + ... + 26335.

It is an arithmetic number, because the mean of its divisors is an integer number (163184).

2⁸⁴²²²⁴ is an apocalyptic number.

It is an amenable number.

842224 is a deficient number, since it is larger than the sum of its proper divisors (789616).

842224 is a wasteful number, since it uses less digits than its factorization.

842224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52647 (or 52641 counting only the distinct ones).

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

The square root of 842224 is about 917.7276284389. The cubic root of 842224 is about 94.4370772672.

The spelling of 842224 in words is "eight hundred forty-two thousand, two hundred twenty-four".