221300322330 has 32 divisors (see below), whose sum is σ = 533816832384. Its totient is φ = 58713857216.

The previous prime is 221300322329. The next prime is 221300322343. The reversal of 221300322330 is 33223003122.

It is a junction number, because it is equal to n+sod(n) for n = 221300322297 and 221300322306.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 18716622 + ... + 18728441.

It is an arithmetic number, because the mean of its divisors is an integer number (16681776012).

Almost surely, 2^221300322330 is an apocalyptic number.

221300322330 is an abundant number, since it is smaller than the sum of its proper divisors (312516510054).

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

221300322330 is a wasteful number, since it uses less digits than its factorization.

221300322330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37445270.

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

Adding to 221300322330 its reverse (33223003122), we get a palindrome (254523325452).

The spelling of 221300322330 in words is "two hundred twenty-one billion, three hundred million, three hundred twenty-two thousand, three hundred thirty".