220001201222 has 16 divisors (see below), whose sum is σ = 372415827600. Its totient is φ = 96552251040.

The previous prime is 220001201219. The next prime is 220001201239. The reversal of 220001201222 is 222102100022.

It is a junction number, because it is equal to n+sod(n) for n = 220001201197 and 220001201206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172414097 + ... + 172415372.

It is an arithmetic number, because the mean of its divisors is an integer number (23275989225).

Almost surely, 2^220001201222 is an apocalyptic number.

220001201222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

220001201222 is a deficient number, since it is larger than the sum of its proper divisors (152414626378).

220001201222 is a wasteful number, since it uses less digits than its factorization.

220001201222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344829511.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 220001201222 its reverse (222102100022), we get a palindrome (442103301244).

The spelling of 220001201222 in words is "two hundred twenty billion, one million, two hundred one thousand, two hundred twenty-two".