1822444 has 24 divisors (see below), whose sum is σ = 3478608. Its totient is φ = 830400.

The previous prime is 1822441. The next prime is 1822463. The reversal of 1822444 is 4442281.

It is not an unprimeable number, because it can be changed into a prime (1822441) 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, 5079 + ... + 5425.

It is an arithmetic number, because the mean of its divisors is an integer number (144942).

2^1822444 is an apocalyptic number.

It is an amenable number.

1822444 is a deficient number, since it is larger than the sum of its proper divisors (1656164).

1822444 is a wasteful number, since it uses less digits than its factorization.

1822444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465 (or 463 counting only the distinct ones).

The product of its digits is 2048, while the sum is 25.

The square root of 1822444 is about 1349.9792590999. The cubic root of 1822444 is about 122.1475416444.

The spelling of 1822444 in words is "one million, eight hundred twenty-two thousand, four hundred forty-four".