223446044416 has 144 divisors (see below), whose sum is σ = 517049455104. Its totient is φ = 94397386752.

The previous prime is 223446044401. The next prime is 223446044417. The reversal of 223446044416 is 614440644322.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223446044417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41896086 + ... + 41901418.

It is an arithmetic number, because the mean of its divisors is an integer number (3590621216).

Almost surely, 2^223446044416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223446044416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258524727552).

223446044416 is an abundant number, since it is smaller than the sum of its proper divisors (293603410688).

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

223446044416 is a wasteful number, since it uses less digits than its factorization.

223446044416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5686 (or 5672 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 40.

Adding to 223446044416 its reverse (614440644322), we get a palindrome (837886688738).

The spelling of 223446044416 in words is "two hundred twenty-three billion, four hundred forty-six million, forty-four thousand, four hundred sixteen".