221303323002 has 8 divisors (see below), whose sum is σ = 442606646016. Its totient is φ = 73767774332.

The previous prime is 221303322973. The next prime is 221303323019. The reversal of 221303323002 is 200323303122.

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

221303323002 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 221303323002.

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, 18441943578 + ... + 18441943589.

It is an arithmetic number, because the mean of its divisors is an integer number (55325830752).

Almost surely, 2^221303323002 is an apocalyptic number.

221303323002 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.

221303323002 is a wasteful number, since it uses less digits than its factorization.

221303323002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36883887172.

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

Adding to 221303323002 its reverse (200323303122), we get a palindrome (421626626124).

The spelling of 221303323002 in words is "two hundred twenty-one billion, three hundred three million, three hundred twenty-three thousand, two".