223213320221 has 16 divisors (see below), whose sum is σ = 230494429440. Its totient is φ = 216028377600.

The previous prime is 223213320203. The next prime is 223213320227. The reversal of 223213320221 is 122023312322.

It is a cyclic number.

It is not a de Polignac number, because 223213320221 - 2²² = 223209125917 is a prime.

It is a super-3 number, since 3×223213320221³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223213320227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28183100 + ... + 28191018.

It is an arithmetic number, because the mean of its divisors is an integer number (14405901840).

Almost surely, 2^223213320221 is an apocalyptic number.

It is an amenable number.

223213320221 is a deficient number, since it is larger than the sum of its proper divisors (7281109219).

223213320221 is a wasteful number, since it uses less digits than its factorization.

223213320221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13876.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 223213320221 its reverse (122023312322), we get a palindrome (345236632543).

The spelling of 223213320221 in words is "two hundred twenty-three billion, two hundred thirteen million, three hundred twenty thousand, two hundred twenty-one".