22144339 has 8 divisors (see below), whose sum is σ = 25347168. Its totient is φ = 18951360.

The previous prime is 22144333. The next prime is 22144361. The reversal of 22144339 is 93344122.

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

It is a cyclic number.

It is not a de Polignac number, because 22144339 - 2⁵ = 22144307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22144333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3249 + ... + 7405.

It is an arithmetic number, because the mean of its divisors is an integer number (3168396).

Almost surely, 2^22144339 is an apocalyptic number.

22144339 is a deficient number, since it is larger than the sum of its proper divisors (3202829).

22144339 is an equidigital number, since it uses as much as digits as its factorization.

22144339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4925.

The product of its digits is 5184, while the sum is 28.

The square root of 22144339 is about 4705.7771940456. Note that the first 3 decimals coincide. The cubic root of 22144339 is about 280.8153910431.

The spelling of 22144339 in words is "twenty-two million, one hundred forty-four thousand, three hundred thirty-nine".