1144422 has 16 divisors (see below), whose sum is σ = 2543280. Its totient is φ = 381456.

The previous prime is 1144417. The next prime is 1144439. The reversal of 1144422 is 2244411.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 1144395 and 1144404.

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 in 7 ways as a sum of consecutive naturals, for example, 10543 + ... + 10650.

It is an arithmetic number, because the mean of its divisors is an integer number (158955).

2^1144422 is an apocalyptic number.

1144422 is an abundant number, since it is smaller than the sum of its proper divisors (1398858).

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

1144422 is a wasteful number, since it uses less digits than its factorization.

1144422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21204 (or 21198 counting only the distinct ones).

The product of its digits is 256, while the sum is 18.

The square root of 1144422 is about 1069.7766121953. The cubic root of 1144422 is about 104.5992890407.

Adding to 1144422 its reverse (2244411), we get a palindrome (3388833).

The spelling of 1144422 in words is "one million, one hundred forty-four thousand, four hundred twenty-two".