221232322246 has 32 divisors (see below), whose sum is σ = 376227381600. Its totient is φ = 96722138880.

The previous prime is 221232322229. The next prime is 221232322247. The reversal of 221232322246 is 642223232122.

221232322246 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221232322247) by changing a digit.

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, 5543050 + ... + 5582818.

It is an arithmetic number, because the mean of its divisors is an integer number (11757105675).

Almost surely, 2^221232322246 is an apocalyptic number.

221232322246 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

221232322246 is a deficient number, since it is larger than the sum of its proper divisors (154995059354).

221232322246 is a wasteful number, since it uses less digits than its factorization.

221232322246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51064.

The product of its digits is 27648, while the sum is 31.

Adding to 221232322246 its reverse (642223232122), we get a palindrome (863455554368).

The spelling of 221232322246 in words is "two hundred twenty-one billion, two hundred thirty-two million, three hundred twenty-two thousand, two hundred forty-six".