22143022503 has 32 divisors (see below), whose sum is σ = 35862528000. Its totient is φ = 11870797536.

The previous prime is 22143022487. The next prime is 22143022537. The reversal of 22143022503 is 30522034122.

It is not a de Polignac number, because 22143022503 - 2⁴ = 22143022487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22143022543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 228303 + ... + 310496.

It is an arithmetic number, because the mean of its divisors is an integer number (1120704000).

Almost surely, 2^22143022503 is an apocalyptic number.

22143022503 is a deficient number, since it is larger than the sum of its proper divisors (13719505497).

22143022503 is a wasteful number, since it uses less digits than its factorization.

22143022503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538931.

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 22143022503 its reverse (30522034122), we get a palindrome (52665056625).

The spelling of 22143022503 in words is "twenty-two billion, one hundred forty-three million, twenty-two thousand, five hundred three".