221022200002222 has 96 divisors (see below), whose sum is σ = 352582363607040. Its totient is φ = 103895956523520.

The previous prime is 221022200002159. The next prime is 221022200002231. The reversal of 221022200002222 is 222200002220122.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 221022200002222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 85238024158 + ... + 85238026750.

It is an arithmetic number, because the mean of its divisors is an integer number (3672732954240).

Almost surely, 2^{221022200002222} is an apocalyptic number.

221022200002222 is a deficient number, since it is larger than the sum of its proper divisors (131560163604818).

221022200002222 is a wasteful number, since it uses less digits than its factorization.

221022200002222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4326 (or 4307 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 221022200002222 its reverse (222200002220122), we get a palindrome (443222202222344).

The spelling of 221022200002222 in words is "two hundred twenty-one trillion, twenty-two billion, two hundred million, two thousand, two hundred twenty-two".