220222200222 has 48 divisors (see below), whose sum is σ = 493915045680. Its totient is φ = 72733725792.

The previous prime is 220222200181. The next prime is 220222200251. The reversal of 220222200222 is 222002222022.

220222200222 is a `hidden beast` number, since 2 + 20 + 222 + 200 + 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 = 220222200195 and 220222200204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 469948 + ... + 813200.

It is an arithmetic number, because the mean of its divisors is an integer number (10289896785).

Almost surely, 2^220222200222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220222200222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246957522840).

220222200222 is an abundant number, since it is smaller than the sum of its proper divisors (273692845458).

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

220222200222 is a wasteful number, since it uses less digits than its factorization.

220222200222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343482 (or 343367 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 220222200222 its reverse (222002222022), we get a palindrome (442224422244).

The spelling of 220222200222 in words is "two hundred twenty billion, two hundred twenty-two million, two hundred thousand, two hundred twenty-two".