221231331032222 has 32 divisors (see below), whose sum is σ = 392354532702720. Its totient is φ = 91538607132000.

The previous prime is 221231331032167. The next prime is 221231331032227. The reversal of 221231331032222 is 222230133132122.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221231331032227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9142154 + ... + 22935597.

It is an arithmetic number, because the mean of its divisors is an integer number (12261079146960).

Almost surely, 2^{221231331032222} is an apocalyptic number.

221231331032222 is a deficient number, since it is larger than the sum of its proper divisors (171123201670498).

221231331032222 is a wasteful number, since it uses less digits than its factorization.

221231331032222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32094776.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 221231331032222 its reverse (222230133132122), we get a palindrome (443461464164344).

The spelling of 221231331032222 in words is "two hundred twenty-one trillion, two hundred thirty-one billion, three hundred thirty-one million, thirty-two thousand, two hundred twenty-two".