223221404441 has 8 divisors (see below), whose sum is σ = 255115649664. Its totient is φ = 191328527520.

The previous prime is 223221404423. The next prime is 223221404443. The reversal of 223221404441 is 144404122322.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 223221404441 - 2¹⁸ = 223221142297 is a prime.

It is a super-3 number, since 3×223221404441³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223221404443) 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, 35261 + ... + 669093.

It is an arithmetic number, because the mean of its divisors is an integer number (31889456208).

Almost surely, 2^223221404441 is an apocalyptic number.

It is an amenable number.

223221404441 is a deficient number, since it is larger than the sum of its proper divisors (31894245223).

223221404441 is an equidigital number, since it uses as much as digits as its factorization.

223221404441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684151.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 223221404441 its reverse (144404122322), we get a palindrome (367625526763).

The spelling of 223221404441 in words is "two hundred twenty-three billion, two hundred twenty-one million, four hundred four thousand, four hundred forty-one".