223221236441 has 8 divisors (see below), whose sum is σ = 261332179584. Its totient is φ = 186665842080.

The previous prime is 223221236429. The next prime is 223221236471. The reversal of 223221236441 is 144632122322.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223221236441 is a prime.

It is a super-3 number, since 3×223221236441³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223221236398 and 223221236407.

It is not an unprimeable number, because it can be changed into a prime (223221236471) 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, 388886885 + ... + 388887458.

It is an arithmetic number, because the mean of its divisors is an integer number (32666522448).

Almost surely, 2^223221236441 is an apocalyptic number.

It is an amenable number.

223221236441 is a deficient number, since it is larger than the sum of its proper divisors (38110943143).

223221236441 is an equidigital number, since it uses as much as digits as its factorization.

223221236441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777774391.

The product of its digits is 27648, while the sum is 32.

Adding to 223221236441 its reverse (144632122322), we get a palindrome (367853358763).

The spelling of 223221236441 in words is "two hundred twenty-three billion, two hundred twenty-one million, two hundred thirty-six thousand, four hundred forty-one".