22243353503 has 32 divisors (see below), whose sum is σ = 27064958976. Its totient is φ = 17845475328.

The previous prime is 22243353493. The next prime is 22243353533. The reversal of 22243353503 is 30535334222.

It is a cyclic number.

It is not a de Polignac number, because 22243353503 - 2⁴ = 22243353487 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22243353503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22243353533) 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, 27026750 + ... + 27027572.

It is an arithmetic number, because the mean of its divisors is an integer number (845779968).

Almost surely, 2^22243353503 is an apocalyptic number.

22243353503 is a deficient number, since it is larger than the sum of its proper divisors (4821605473).

22243353503 is a wasteful number, since it uses less digits than its factorization.

22243353503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1823.

The product of its (nonzero) digits is 64800, while the sum is 32.

Adding to 22243353503 its reverse (30535334222), we get a palindrome (52778687725).

The spelling of 22243353503 in words is "twenty-two billion, two hundred forty-three million, three hundred fifty-three thousand, five hundred three".