221441212234 has 16 divisors (see below), whose sum is σ = 362709167040. Its totient is φ = 100557646560.

The previous prime is 221441212231. The next prime is 221441212247. The reversal of 221441212234 is 432212144122.

It is not an unprimeable number, because it can be changed into a prime (221441212231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4849254 + ... + 4894705.

It is an arithmetic number, because the mean of its divisors is an integer number (22669322940).

Almost surely, 2^221441212234 is an apocalyptic number.

221441212234 is a deficient number, since it is larger than the sum of its proper divisors (141267954806).

221441212234 is a wasteful number, since it uses less digits than its factorization.

221441212234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9745005.

The product of its digits is 6144, while the sum is 28.

Adding to 221441212234 its reverse (432212144122), we get a palindrome (653653356356).

The spelling of 221441212234 in words is "two hundred twenty-one billion, four hundred forty-one million, two hundred twelve thousand, two hundred thirty-four".