22203104402440 has 64 divisors (see below), whose sum is σ = 54223450767360. Its totient is φ = 8133517566720.

The previous prime is 22203104402387. The next prime is 22203104402441. The reversal of 22203104402440 is 4420440130222.

It is a junction number, because it is equal to n+sod(n) for n = 22203104402399 and 22203104402408.

It is not an unprimeable number, because it can be changed into a prime (22203104402441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168037416 + ... + 168169495.

It is an arithmetic number, because the mean of its divisors is an integer number (847241418240).

Almost surely, 2^{22203104402440} is an apocalyptic number.

22203104402440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22203104402440 is an abundant number, since it is smaller than the sum of its proper divisors (32020346364920).

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

22203104402440 is a wasteful number, since it uses less digits than its factorization.

22203104402440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336207062 (or 336207058 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 22203104402440 its reverse (4420440130222), we get a palindrome (26623544532662).

The spelling of 22203104402440 in words is "twenty-two trillion, two hundred three billion, one hundred four million, four hundred two thousand, four hundred forty".