22144463 has 8 divisors (see below), whose sum is σ = 24810960. Its totient is φ = 19586880.

The previous prime is 22144453. The next prime is 22144471. The reversal of 22144463 is 36444122.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22144463 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 (22144433) 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, 26798 + ... + 27611.

It is an arithmetic number, because the mean of its divisors is an integer number (3101370).

Almost surely, 2^22144463 is an apocalyptic number.

22144463 is a deficient number, since it is larger than the sum of its proper divisors (2666497).

22144463 is a wasteful number, since it uses less digits than its factorization.

22144463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54457.

The product of its digits is 4608, while the sum is 26.

The square root of 22144463 is about 4705.7903693216. The cubic root of 22144463 is about 280.8159151958.

Adding to 22144463 its reverse (36444122), we get a palindrome (58588585).

The spelling of 22144463 in words is "twenty-two million, one hundred forty-four thousand, four hundred sixty-three".