222320020224 has 144 divisors (see below), whose sum is σ = 633396355200. Its totient is φ = 69016117248.

The previous prime is 222320020211. The next prime is 222320020231. The reversal of 222320020224 is 422020023222.

It is a self number, because there is not a number n which added to its sum of digits gives 222320020224.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 731812 + ... + 990044.

It is an arithmetic number, because the mean of its divisors is an integer number (4398585800).

Almost surely, 2^222320020224 is an apocalyptic number.

222320020224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222320020224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (316698177600).

222320020224 is an abundant number, since it is smaller than the sum of its proper divisors (411076334976).

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

222320020224 is a wasteful number, since it uses less digits than its factorization.

222320020224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258330 (or 258316 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

Adding to 222320020224 its reverse (422020023222), we get a palindrome (644340043446).

The spelling of 222320020224 in words is "two hundred twenty-two billion, three hundred twenty million, twenty thousand, two hundred twenty-four".