221300240322 has 32 divisors (see below), whose sum is σ = 505849122432. Its totient is φ = 63226139904.

The previous prime is 221300240309. The next prime is 221300240333. The reversal of 221300240322 is 223042003122.

221300240322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1147578 + ... + 1326474.

It is an arithmetic number, because the mean of its divisors is an integer number (15807785076).

Almost surely, 2^221300240322 is an apocalyptic number.

221300240322 is an abundant number, since it is smaller than the sum of its proper divisors (284548882110).

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

221300240322 is a wasteful number, since it uses less digits than its factorization.

221300240322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208362.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 221300240322 its reverse (223042003122), we get a palindrome (444342243444).

The spelling of 221300240322 in words is "two hundred twenty-one billion, three hundred million, two hundred forty thousand, three hundred twenty-two".