221322303223122 has 32 divisors (see below), whose sum is σ = 465669369748800. Its totient is φ = 70022875592768.

The previous prime is 221322303223117. The next prime is 221322303223139.

It is a happy number.

221322303223122 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 221322303223122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10779373293 + ... + 10779393824.

It is an arithmetic number, because the mean of its divisors is an integer number (14552167804650).

Almost surely, 2^{221322303223122} is an apocalyptic number.

221322303223122 is an abundant number, since it is smaller than the sum of its proper divisors (244347066525678).

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

221322303223122 is a wasteful number, since it uses less digits than its factorization.

221322303223122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21558767210.

The product of its (nonzero) digits is 20736, while the sum is 30.

It can be divided in two parts, 22132230 and 3223122, that added together give a palindrome (25355352).

The spelling of 221322303223122 in words is "two hundred twenty-one trillion, three hundred twenty-two billion, three hundred three million, two hundred twenty-three thousand, one hundred twenty-two".