221200003222 has 32 divisors (see below), whose sum is σ = 374513932800. Its totient is φ = 97060538400.

The previous prime is 221200003207. The next prime is 221200003247. The reversal of 221200003222 is 222300002122.

It is a junction number, because it is equal to n+sod(n) for n = 221200003196 and 221200003205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3806179 + ... + 3863857.

It is an arithmetic number, because the mean of its divisors is an integer number (11703560400).

Almost surely, 2^221200003222 is an apocalyptic number.

221200003222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221200003222 is a deficient number, since it is larger than the sum of its proper divisors (153313929578).

221200003222 is a wasteful number, since it uses less digits than its factorization.

221200003222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63732.

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 221200003222 its reverse (222300002122), we get a palindrome (443500005344).

The spelling of 221200003222 in words is "two hundred twenty-one billion, two hundred million, three thousand, two hundred twenty-two".