221210342322 has 8 divisors (see below), whose sum is σ = 442420684656. Its totient is φ = 73736780772.

The previous prime is 221210342299. The next prime is 221210342329. The reversal of 221210342322 is 223243012122.

221210342322 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.

221210342322 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 221210342292 and 221210342301.

It is not an unprimeable number, because it can be changed into a prime (221210342329) 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 3 ways as a sum of consecutive naturals, for example, 18434195188 + ... + 18434195199.

It is an arithmetic number, because the mean of its divisors is an integer number (55302585582).

Almost surely, 2^221210342322 is an apocalyptic number.

221210342322 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221210342322 is a wasteful number, since it uses less digits than its factorization.

221210342322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36868390392.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 221210342322 its reverse (223243012122), we get a palindrome (444453354444).

The spelling of 221210342322 in words is "two hundred twenty-one billion, two hundred ten million, three hundred forty-two thousand, three hundred twenty-two".