221222200222 has 8 divisors (see below), whose sum is σ = 333057778272. Its totient is φ = 110202940800.

The previous prime is 221222200219. The next prime is 221222200223. The reversal of 221222200222 is 222002222122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 221222200222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221222200223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204078979 + ... + 204080062.

It is an arithmetic number, because the mean of its divisors is an integer number (41632222284).

Almost surely, 2^221222200222 is an apocalyptic number.

221222200222 is a deficient number, since it is larger than the sum of its proper divisors (111835578050).

221222200222 is a wasteful number, since it uses less digits than its factorization.

221222200222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408159314.

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

Adding to 221222200222 its reverse (222002222122), we get a palindrome (443224422344).

The spelling of 221222200222 in words is "two hundred twenty-one billion, two hundred twenty-two million, two hundred thousand, two hundred twenty-two".