22144011503 has 4 divisors (see below), whose sum is σ = 22259948928. Its totient is φ = 22028074080.

The previous prime is 22144011499. The next prime is 22144011541. The reversal of 22144011503 is 30511044122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22144011503 - 2² = 22144011499 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 (22144011203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57968426 + ... + 57968807.

It is an arithmetic number, because the mean of its divisors is an integer number (5564987232).

Almost surely, 2^22144011503 is an apocalyptic number.

22144011503 is a deficient number, since it is larger than the sum of its proper divisors (115937425).

22144011503 is a wasteful number, since it uses less digits than its factorization.

22144011503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115937424.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 22144011503 its reverse (30511044122), we get a palindrome (52655055625).

The spelling of 22144011503 in words is "twenty-two billion, one hundred forty-four million, eleven thousand, five hundred three".