22144349 has 8 divisors (see below), whose sum is σ = 22394880. Its totient is φ = 21895600.

The previous prime is 22144333. The next prime is 22144361. The reversal of 22144349 is 94344122.

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 22144349 - 2⁴ = 22144333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22144049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51164 + ... + 51594.

It is an arithmetic number, because the mean of its divisors is an integer number (2799360).

Almost surely, 2^22144349 is an apocalyptic number.

It is an amenable number.

22144349 is a deficient number, since it is larger than the sum of its proper divisors (250531).

22144349 is a wasteful number, since it uses less digits than its factorization.

22144349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891.

The product of its digits is 6912, while the sum is 29.

The square root of 22144349 is about 4705.7782565693. The cubic root of 22144349 is about 280.8154333135.

The spelling of 22144349 in words is "twenty-two million, one hundred forty-four thousand, three hundred forty-nine".