22432143503 has 48 divisors (see below), whose sum is σ = 29358111744. Its totient is φ = 16939621440.

The previous prime is 22432143479. The next prime is 22432143511. The reversal of 22432143503 is 30534123422.

It is a happy number.

It is not a de Polignac number, because 22432143503 - 2¹⁴ = 22432127119 is a prime.

It is a super-2 number, since 2×22432143503² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22432143583) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2605001 + ... + 2613597.

It is an arithmetic number, because the mean of its divisors is an integer number (611627328).

Almost surely, 2^22432143503 is an apocalyptic number.

22432143503 is a deficient number, since it is larger than the sum of its proper divisors (6925968241).

22432143503 is a wasteful number, since it uses less digits than its factorization.

22432143503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8772 (or 8765 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 22432143503 its reverse (30534123422), we get a palindrome (52966266925).

The spelling of 22432143503 in words is "twenty-two billion, four hundred thirty-two million, one hundred forty-three thousand, five hundred three".