22144382 has 16 divisors (see below), whose sum is σ = 36123360. Its totient is φ = 10120032.

The previous prime is 22144361. The next prime is 22144391. The reversal of 22144382 is 28344122.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1457 + ... + 6812.

It is an arithmetic number, because the mean of its divisors is an integer number (2257710).

Almost surely, 2^22144382 is an apocalyptic number.

22144382 is a deficient number, since it is larger than the sum of its proper divisors (13978978).

22144382 is a wasteful number, since it uses less digits than its factorization.

22144382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8387.

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

The square root of 22144382 is about 4705.7817628955. The cubic root of 22144382 is about 280.8155728059.

The spelling of 22144382 in words is "twenty-two million, one hundred forty-four thousand, three hundred eighty-two".