221222112234 has 64 divisors (see below), whose sum is σ = 464439951360. Its totient is φ = 70182320000.

The previous prime is 221222112229. The next prime is 221222112289. The reversal of 221222112234 is 432211222122.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1843159 + ... + 1959509.

It is an arithmetic number, because the mean of its divisors is an integer number (7256874240).

Almost surely, 2^221222112234 is an apocalyptic number.

221222112234 is an abundant number, since it is smaller than the sum of its proper divisors (243217839126).

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

221222112234 is a wasteful number, since it uses less digits than its factorization.

221222112234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116587.

The product of its digits is 1536, while the sum is 24.

Adding to 221222112234 its reverse (432211222122), we get a palindrome (653433334356).

The spelling of 221222112234 in words is "two hundred twenty-one billion, two hundred twenty-two million, one hundred twelve thousand, two hundred thirty-four".