220030131222 has 96 divisors (see below), whose sum is σ = 529418747520. Its totient is φ = 65479680000.

The previous prime is 220030131197. The next prime is 220030131227. The reversal of 220030131222 is 222131030022.

220030131222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 220030131195 and 220030131204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220030131227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12268822 + ... + 12286742.

It is an arithmetic number, because the mean of its divisors is an integer number (5514778620).

Almost surely, 2^220030131222 is an apocalyptic number.

220030131222 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 220030131222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (264709373760).

220030131222 is an abundant number, since it is smaller than the sum of its proper divisors (309388616298).

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

220030131222 is a wasteful number, since it uses less digits than its factorization.

220030131222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19050 (or 19047 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 220030131222 its reverse (222131030022), we get a palindrome (442161161244).

The spelling of 220030131222 in words is "two hundred twenty billion, thirty million, one hundred thirty-one thousand, two hundred twenty-two".