22143003 has 8 divisors (see below), whose sum is σ = 29610000. Its totient is φ = 14719008.

The previous prime is 22143001. The next prime is 22143013. The reversal of 22143003 is 30034122.

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

It is not a de Polignac number, because 22143003 - 2¹ = 22143001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22143001) 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 7 ways as a sum of consecutive naturals, for example, 9528 + ... + 11621.

It is an arithmetic number, because the mean of its divisors is an integer number (3701250).

Almost surely, 2^22143003 is an apocalyptic number.

22143003 is a deficient number, since it is larger than the sum of its proper divisors (7466997).

22143003 is a wasteful number, since it uses less digits than its factorization.

22143003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21501.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 22143003 is about 4705.6352387324. The cubic root of 22143003 is about 280.8097435966.

Adding to 22143003 its reverse (30034122), we get a palindrome (52177125).

The spelling of 22143003 in words is "twenty-two million, one hundred forty-three thousand, three".