223344221 has 8 divisors (see below), whose sum is σ = 235502400. Its totient is φ = 211226400.

The previous prime is 223344197. The next prime is 223344223. The reversal of 223344221 is 122443322.

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 223344221 - 2¹⁸ = 223082077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223344223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1640 + ... + 21198.

It is an arithmetic number, because the mean of its divisors is an integer number (29437800).

Almost surely, 2^223344221 is an apocalyptic number.

It is an amenable number.

223344221 is a deficient number, since it is larger than the sum of its proper divisors (12158179).

223344221 is a wasteful number, since it uses less digits than its factorization.

223344221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20179.

The product of its digits is 2304, while the sum is 23.

The square root of 223344221 is about 14944.7054504262. The cubic root of 223344221 is about 606.7245569615.

Adding to 223344221 its reverse (122443322), we get a palindrome (345787543).

The spelling of 223344221 in words is "two hundred twenty-three million, three hundred forty-four thousand, two hundred twenty-one".