223320441 has 4 divisors (see below), whose sum is σ = 297760592. Its totient is φ = 148880292.

The previous prime is 223320437. The next prime is 223320443. The reversal of 223320441 is 144023322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 223320441 - 2² = 223320437 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223320443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37220071 + ... + 37220076.

It is an arithmetic number, because the mean of its divisors is an integer number (74440148).

Almost surely, 2^223320441 is an apocalyptic number.

It is an amenable number.

223320441 is a deficient number, since it is larger than the sum of its proper divisors (74440151).

223320441 is an equidigital number, since it uses as much as digits as its factorization.

223320441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74440150.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 223320441 is about 14943.9098297601. The cubic root of 223320441 is about 606.7030230530.

Adding to 223320441 its reverse (144023322), we get a palindrome (367343763).

The spelling of 223320441 in words is "two hundred twenty-three million, three hundred twenty thousand, four hundred forty-one".