222558855222 has 128 divisors (see below), whose sum is σ = 523560692736. Its totient is φ = 62842560000.

The previous prime is 222558855187. The next prime is 222558855223.

222558855222 is nontrivially palindromic in base 10.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222558855223) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 13703847 + ... + 13720077.

It is an arithmetic number, because the mean of its divisors is an integer number (4090317912).

Almost surely, 2^222558855222 is an apocalyptic number.

222558855222 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 222558855222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261780346368).

222558855222 is an abundant number, since it is smaller than the sum of its proper divisors (301001837514).

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

222558855222 is a wasteful number, since it uses less digits than its factorization.

222558855222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16387 (or 16365 counting only the distinct ones).

The product of its digits is 2560000, while the sum is 48.

The spelling of 222558855222 in words is "two hundred twenty-two billion, five hundred fifty-eight million, eight hundred fifty-five thousand, two hundred twenty-two".