223544221336 has 32 divisors (see below), whose sum is σ = 423910972800. Its totient is φ = 110501628160.

The previous prime is 223544221319. The next prime is 223544221337. The reversal of 223544221336 is 633122445322.

It is a junction number, because it is equal to n+sod(n) for n = 223544221295 and 223544221304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223544221337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7062201 + ... + 7093783.

It is an arithmetic number, because the mean of its divisors is an integer number (13247217900).

Almost surely, 2^223544221336 is an apocalyptic number.

It is an amenable number.

223544221336 is a deficient number, since it is larger than the sum of its proper divisors (200366751464).

223544221336 is a wasteful number, since it uses less digits than its factorization.

223544221336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41619 (or 41615 counting only the distinct ones).

The product of its digits is 207360, while the sum is 37.

Adding to 223544221336 its reverse (633122445322), we get a palindrome (856666666658).

The spelling of 223544221336 in words is "two hundred twenty-three billion, five hundred forty-four million, two hundred twenty-one thousand, three hundred thirty-six".