221220333323 has 8 divisors (see below), whose sum is σ = 241420062720. Its totient is φ = 201035402280.

The previous prime is 221220333319. The next prime is 221220333329. The reversal of 221220333323 is 323333022122.

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

It is a cyclic number.

It is not a de Polignac number, because 221220333323 - 2² = 221220333319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 221220333292 and 221220333301.

It is not an unprimeable number, because it can be changed into a prime (221220333329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3668315 + ... + 3728132.

It is an arithmetic number, because the mean of its divisors is an integer number (30177507840).

Almost surely, 2^221220333323 is an apocalyptic number.

221220333323 is a deficient number, since it is larger than the sum of its proper divisors (20199729397).

221220333323 is a wasteful number, since it uses less digits than its factorization.

221220333323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7399177.

The product of its (nonzero) digits is 7776, while the sum is 26.

Adding to 221220333323 its reverse (323333022122), we get a palindrome (544553355445).

The spelling of 221220333323 in words is "two hundred twenty-one billion, two hundred twenty million, three hundred thirty-three thousand, three hundred twenty-three".