223030334221 has 4 divisors (see below), whose sum is σ = 223085016000. Its totient is φ = 222975652444.

The previous prime is 223030334201. The next prime is 223030334279. The reversal of 223030334221 is 122433030322.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223030334221 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 (223030334201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27334771 + ... + 27342928.

It is an arithmetic number, because the mean of its divisors is an integer number (55771254000).

Almost surely, 2^223030334221 is an apocalyptic number.

It is an amenable number.

223030334221 is a deficient number, since it is larger than the sum of its proper divisors (54681779).

223030334221 is an equidigital number, since it uses as much as digits as its factorization.

223030334221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54681778.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 223030334221 its reverse (122433030322), we get a palindrome (345463364543).

The spelling of 223030334221 in words is "two hundred twenty-three billion, thirty million, three hundred thirty-four thousand, two hundred twenty-one".