22103144430 has 32 divisors (see below), whose sum is σ = 53917183008. Its totient is φ = 5797545600.

The previous prime is 22103144407. The next prime is 22103144447. The reversal of 22103144430 is 3444130122.

It is a self number, because there is not a number n which added to its sum of digits gives 22103144430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6037281 + ... + 6040940.

It is an arithmetic number, because the mean of its divisors is an integer number (1684911969).

Almost surely, 2^22103144430 is an apocalyptic number.

22103144430 is an abundant number, since it is smaller than the sum of its proper divisors (31814038578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22103144430 is a wasteful number, since it uses less digits than its factorization.

22103144430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12078292.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 22103144430 its reverse (3444130122), we get a palindrome (25547274552).

The spelling of 22103144430 in words is "twenty-two billion, one hundred three million, one hundred forty-four thousand, four hundred thirty".