222202131022230 has 128 divisors (see below), whose sum is σ = 566929777605120. Its totient is φ = 55577610086400.

The previous prime is 222202131022171. The next prime is 222202131022241. The reversal of 222202131022230 is 32220131202222.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 222202131022230.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2649732462 + ... + 2649816318.

It is an arithmetic number, because the mean of its divisors is an integer number (4429138887540).

Almost surely, 2^{222202131022230} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222202131022230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283464888802560).

222202131022230 is an abundant number, since it is smaller than the sum of its proper divisors (344727646582890).

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

222202131022230 is a wasteful number, since it uses less digits than its factorization.

222202131022230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130014.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 222202131022230 its reverse (32220131202222), we get a palindrome (254422262224452).

The spelling of 222202131022230 in words is "two hundred twenty-two trillion, two hundred two billion, one hundred thirty-one million, twenty-two thousand, two hundred thirty".