220200001221222 has 128 divisors (see below), whose sum is σ = 543926935019520. Its totient is φ = 65463849285120.

The previous prime is 220200001221163. The next prime is 220200001221241. The reversal of 220200001221222 is 222122100002022.

220200001221222 is a `hidden beast` number, since 2 + 20 + 200 + 0 + 0 + 1 + 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 = 220200001221195 and 220200001221204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 481855483 + ... + 482312249.

It is an arithmetic number, because the mean of its divisors is an integer number (4249429179840).

Almost surely, 2^{220200001221222} is an apocalyptic number.

220200001221222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 220200001221222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271963467509760).

220200001221222 is an abundant number, since it is smaller than the sum of its proper divisors (323726933798298).

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

220200001221222 is a wasteful number, since it uses less digits than its factorization.

220200001221222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472155 (or 472149 counting only the distinct ones).

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

Adding to 220200001221222 its reverse (222122100002022), we get a palindrome (442322101223244).

The spelling of 220200001221222 in words is "two hundred twenty trillion, two hundred billion, one million, two hundred twenty-one thousand, two hundred twenty-two".