221323210322 has 8 divisors (see below), whose sum is σ = 332009283072. Its totient is φ = 110653449300.

The previous prime is 221323210313. The next prime is 221323210333. The reversal of 221323210322 is 223012323122.

221323210322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4043954 + ... + 4098317.

It is an arithmetic number, because the mean of its divisors is an integer number (41501160384).

Almost surely, 2^221323210322 is an apocalyptic number.

221323210322 is a deficient number, since it is larger than the sum of its proper divisors (110686072750).

221323210322 is a wasteful number, since it uses less digits than its factorization.

221323210322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8155864.

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

Adding to 221323210322 its reverse (223012323122), we get a palindrome (444335533444).

The spelling of 221323210322 in words is "two hundred twenty-one billion, three hundred twenty-three million, two hundred ten thousand, three hundred twenty-two".