22153020050 has 162 divisors, whose sum is σ = 50043830751. Its totient is φ = 7274534400.

The previous prime is 22153020023. The next prime is 22153020053. The reversal of 22153020050 is 5002035122.

It can be written as a sum of positive squares in 5 ways, for example, as 6907438321 + 15245581729 = 83111^2 + 123473^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=105245.

It is not an unprimeable number, because it can be changed into a prime (22153020053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 228381602 + ... + 228381698.

Almost surely, 2^22153020050 is an apocalyptic number.

22153020050 is an abundant number, since it is smaller than the sum of its proper divisors (27890810701).

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

22153020050 is an equidigital number, since it uses as much as digits as its factorization.

22153020050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282 (or 142 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

Adding to 22153020050 its reverse (5002035122), we get a palindrome (27155055172).

The spelling of 22153020050 in words is "twenty-two billion, one hundred fifty-three million, twenty thousand, fifty".