223340221 has 8 divisors (see below), whose sum is σ = 240637824. Its totient is φ = 206059440.

The previous prime is 223340191. The next prime is 223340239. The reversal of 223340221 is 122043322.

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 223340221 - 2¹⁹ = 222815933 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 (223340021) 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, 43416 + ... + 48286.

It is an arithmetic number, because the mean of its divisors is an integer number (30079728).

Almost surely, 2^223340221 is an apocalyptic number.

It is an amenable number.

223340221 is a deficient number, since it is larger than the sum of its proper divisors (17297603).

223340221 is a wasteful number, since it uses less digits than its factorization.

223340221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8411.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 223340221 is about 14944.5716231681. The cubic root of 223340221 is about 606.7209348803.

Adding to 223340221 its reverse (122043322), we get a palindrome (345383543).

The spelling of 223340221 in words is "two hundred twenty-three million, three hundred forty thousand, two hundred twenty-one".