223313301221 has 4 divisors (see below), whose sum is σ = 223355259072. Its totient is φ = 223271343372.

The previous prime is 223313301193. The next prime is 223313301269. The reversal of 223313301221 is 122103313322.

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, and also an emirpimes, since its reverse is a distinct semiprime: 122103313322 = 2 ⋅61051656661.

It is a cyclic number.

It is not a de Polignac number, because 223313301221 - 2¹⁴ = 223313284837 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 (223313321221) 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, 20970941 + ... + 20981586.

It is an arithmetic number, because the mean of its divisors is an integer number (55838814768).

Almost surely, 2^223313301221 is an apocalyptic number.

It is an amenable number.

223313301221 is a deficient number, since it is larger than the sum of its proper divisors (41957851).

223313301221 is an equidigital number, since it uses as much as digits as its factorization.

223313301221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41957850.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 223313301221 its reverse (122103313322), we get a palindrome (345416614543).

The spelling of 223313301221 in words is "two hundred twenty-three billion, three hundred thirteen million, three hundred one thousand, two hundred twenty-one".