220221102212222 has 8 divisors (see below), whose sum is σ = 330388401601272. Its totient is φ = 110091635011800.

The previous prime is 220221102212143. The next prime is 220221102212227. The reversal of 220221102212222 is 222212201122022.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220221102212227) 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, 9458032604 + ... + 9458055887.

It is an arithmetic number, because the mean of its divisors is an integer number (41298550200159).

Almost surely, 2^{220221102212222} is an apocalyptic number.

220221102212222 is a deficient number, since it is larger than the sum of its proper divisors (110167299389050).

220221102212222 is a wasteful number, since it uses less digits than its factorization.

220221102212222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18916094314.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 220221102212222 its reverse (222212201122022), we get a palindrome (442433303334244).

The spelling of 220221102212222 in words is "two hundred twenty trillion, two hundred twenty-one billion, one hundred two million, two hundred twelve thousand, two hundred twenty-two".