22144021003 has 8 divisors (see below), whose sum is σ = 23896382048. Its totient is φ = 20398656384.

The previous prime is 22144020989. The next prime is 22144021013. The reversal of 22144021003 is 30012044122.

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-22144021003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22144021013) 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, 1742526 + ... + 1755187.

It is an arithmetic number, because the mean of its divisors is an integer number (2987047756).

Almost surely, 2^22144021003 is an apocalyptic number.

22144021003 is a deficient number, since it is larger than the sum of its proper divisors (1752361045).

22144021003 is a wasteful number, since it uses less digits than its factorization.

22144021003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3498213.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 22144021003 its reverse (30012044122), we get a palindrome (52156065125).

The spelling of 22144021003 in words is "twenty-two billion, one hundred forty-four million, twenty-one thousand, three".