222317788050 has 270 divisors, whose sum is σ = 640964949669. Its totient is φ = 57132280800.

The previous prime is 222317788037. The next prime is 222317788051. The reversal of 222317788050 is 50887713222.

222317788050 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 217871432289 + 4446355761 = 466767^2 + 66681^2 .

It is a tau number, because it is divible by the number of its divisors (270).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=333405.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 222317787987 and 222317788005.

It is not an unprimeable number, because it can be changed into a prime (222317788051) 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 134 ways as a sum of consecutive naturals, for example, 930199831 + ... + 930200069.

Almost surely, 2^222317788050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222317788050

222317788050 is an abundant number, since it is smaller than the sum of its proper divisors (418647161619).

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

222317788050 is an equidigital number, since it uses as much as digits as its factorization.

222317788050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564 (or 280 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The spelling of 222317788050 in words is "two hundred twenty-two billion, three hundred seventeen million, seven hundred eighty-eight thousand, fifty".