220010020221222 has 288 divisors, whose sum is σ = 654137245532160. Its totient is φ = 52639620687360.

The previous prime is 220010020221217. The next prime is 220010020221241. The reversal of 220010020221222 is 222122020010022.

220010020221222 is a `hidden beast` number, since 2 + 200 + 1 + 0 + 0 + 20 + 221 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 220010020221195 and 220010020221204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 6438822 + ... + 21942617.

It is an arithmetic number, because the mean of its divisors is an integer number (2271309880320).

Almost surely, 2^{220010020221222} is an apocalyptic number.

220010020221222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

220010020221222 is an abundant number, since it is smaller than the sum of its proper divisors (434127225310938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220010020221222 is a wasteful number, since it uses less digits than its factorization.

220010020221222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28381536 (or 28381526 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 220010020221222 its reverse (222122020010022), we get a palindrome (442132040231244).

The spelling of 220010020221222 in words is "two hundred twenty trillion, ten billion, twenty million, two hundred twenty-one thousand, two hundred twenty-two".