221300320234 has 32 divisors (see below), whose sum is σ = 387157852800. Its totient is φ = 94832315424.

The previous prime is 221300320229. The next prime is 221300320303. The reversal of 221300320234 is 432023003122.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10599934 + ... + 10620790.

It is an arithmetic number, because the mean of its divisors is an integer number (12098682900).

Almost surely, 2^221300320234 is an apocalyptic number.

221300320234 is a deficient number, since it is larger than the sum of its proper divisors (165857532566).

221300320234 is a wasteful number, since it uses less digits than its factorization.

221300320234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36347 (or 36333 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 221300320234 its reverse (432023003122), we get a palindrome (653323323356).

The spelling of 221300320234 in words is "two hundred twenty-one billion, three hundred million, three hundred twenty thousand, two hundred thirty-four".