22144322 has 8 divisors (see below), whose sum is σ = 33384000. Its totient is φ = 11016324.

The previous prime is 22144307. The next prime is 22144327. The reversal of 22144322 is 22344122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 22144294 and 22144303.

It is not an unprimeable number, because it can be changed into a prime (22144327) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 27422 + ... + 28217.

It is an arithmetic number, because the mean of its divisors is an integer number (4173000).

Almost surely, 2^22144322 is an apocalyptic number.

22144322 is a deficient number, since it is larger than the sum of its proper divisors (11239678).

22144322 is a wasteful number, since it uses less digits than its factorization.

22144322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55840.

The product of its digits is 768, while the sum is 20.

The square root of 22144322 is about 4705.7753877549. The cubic root of 22144322 is about 280.8153191833.

Adding to 22144322 its reverse (22344122), we get a palindrome (44488444).

The spelling of 22144322 in words is "twenty-two million, one hundred forty-four thousand, three hundred twenty-two".