220221120222 has 96 divisors (see below), whose sum is σ = 517289939712. Its totient is φ = 70085119104.

The previous prime is 220221120211. The next prime is 220221120233. The reversal of 220221120222 is 222021122022.

220221120222 is a `hidden beast` number, since 220 + 221 + 1 + 2 + 0 + 222 = 666.

It is an interprime number because it is at equal distance from previous prime (220221120211) and next prime (220221120233).

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 = 220221120195 and 220221120204.

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, 6096358 + ... + 6132374.

It is an arithmetic number, because the mean of its divisors is an integer number (5388436872).

Almost surely, 2^220221120222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220221120222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258644969856).

220221120222 is an abundant number, since it is smaller than the sum of its proper divisors (297068819490).

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

220221120222 is a wasteful number, since it uses less digits than its factorization.

220221120222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36604 (or 36592 counting only the distinct ones).

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

Adding to 220221120222 its reverse (222021122022), we get a palindrome (442242242244).

The spelling of 220221120222 in words is "two hundred twenty billion, two hundred twenty-one million, one hundred twenty thousand, two hundred twenty-two".