1444422 has 48 divisors (see below), whose sum is σ = 3570480. Its totient is φ = 388416.

The previous prime is 1444411. The next prime is 1444441. The reversal of 1444422 is 2244441.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84958 + ... + 84974.

It is an arithmetic number, because the mean of its divisors is an integer number (74385).

2^1444422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1444422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1785240).

1444422 is an abundant number, since it is smaller than the sum of its proper divisors (2126058).

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

1444422 is an equidigital number, since it uses as much as digits as its factorization.

1444422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70 (or 29 counting only the distinct ones).

The product of its digits is 1024, while the sum is 21.

The square root of 1444422 is about 1201.8410876651. The cubic root of 1444422 is about 113.0397959396.

Adding to 1444422 its reverse (2244441), we get a palindrome (3688863).

The spelling of 1444422 in words is "one million, four hundred forty-four thousand, four hundred twenty-two".