221003302332 has 12 divisors (see below), whose sum is σ = 515674372136. Its totient is φ = 73667767440.

The previous prime is 221003302271. The next prime is 221003302349. The reversal of 221003302332 is 233203300122.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 221003302299 and 221003302308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9208470919 + ... + 9208470942.

Almost surely, 2^221003302332 is an apocalyptic number.

It is an amenable number.

221003302332 is an abundant number, since it is smaller than the sum of its proper divisors (294671069804).

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

221003302332 is a wasteful number, since it uses less digits than its factorization.

221003302332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18416941868 (or 18416941866 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 221003302332 its reverse (233203300122), we get a palindrome (454206602454).

The spelling of 221003302332 in words is "two hundred twenty-one billion, three million, three hundred two thousand, three hundred thirty-two".