1822944 has 48 divisors (see below), whose sum is σ = 5071248. Its totient is φ = 571392.

The previous prime is 1822943. The next prime is 1822963. The reversal of 1822944 is 4492281.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1822943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1074 + ... + 2190.

It is an arithmetic number, because the mean of its divisors is an integer number (105651).

2^1822944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1822944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2535624).

1822944 is an abundant number, since it is smaller than the sum of its proper divisors (3248304).

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

1822944 is a wasteful number, since it uses less digits than its factorization.

1822944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147 (or 1139 counting only the distinct ones).

The product of its digits is 4608, while the sum is 30.

The square root of 1822944 is about 1350.1644344301. The cubic root of 1822944 is about 122.1587112946.

The spelling of 1822944 in words is "one million, eight hundred twenty-two thousand, nine hundred forty-four".