622844 has 12 divisors (see below), whose sum is σ = 1113504. Its totient is φ = 304704.

The previous prime is 622813. The next prime is 622849. The reversal of 622844 is 448226.

It is a d-powerful number, because it can be written as 6³ + 2⁵ + 8⁵ + 2¹⁹ + 4 + 4⁸ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1469 + ... + 1844.

It is an arithmetic number, because the mean of its divisors is an integer number (92792).

2⁶²²⁸⁴⁴ is an apocalyptic number.

It is an amenable number.

622844 is a deficient number, since it is larger than the sum of its proper divisors (490660).

622844 is a wasteful number, since it uses less digits than its factorization.

622844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3364 (or 3362 counting only the distinct ones).

The product of its digits is 3072, while the sum is 26.

The square root of 622844 is about 789.2046629360. The cubic root of 622844 is about 85.4003718537.

The spelling of 622844 in words is "six hundred twenty-two thousand, eight hundred forty-four".