221232000201222 has 16 divisors (see below), whose sum is σ = 444935866328640. Its totient is φ = 73332022412712.

The previous prime is 221232000201221. The next prime is 221232000201227. The reversal of 221232000201222 is 222102000232122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221232000201221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102994412428 + ... + 102994414575.

It is an arithmetic number, because the mean of its divisors is an integer number (27808491645540).

Almost surely, 2^{221232000201222} is an apocalyptic number.

221232000201222 is an abundant number, since it is smaller than the sum of its proper divisors (223703866127418).

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

221232000201222 is a wasteful number, since it uses less digits than its factorization.

221232000201222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205988827187.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 221232000201222 its reverse (222102000232122), we get a palindrome (443334000433344).

The spelling of 221232000201222 in words is "two hundred twenty-one trillion, two hundred thirty-two billion, two hundred one thousand, two hundred twenty-two".