22157230050 has 90 divisors (see below), whose sum is σ = 61590606033. Its totient is φ = 5906068560.

The previous prime is 22157230031. The next prime is 22157230063. The reversal of 22157230050 is 5003275122.

It can be written as a sum of positive squares in 2 ways, for example, as 21714085449 + 443144601 = 147357^2 + 21051^2 .

It is a tau number, because it is divible by the number of its divisors (90).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=105255.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22157229996 and 22157230023.

It is an unprimeable number.

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 44 ways as a sum of consecutive naturals, for example, 9471781 + ... + 9474119.

Almost surely, 2^22157230050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22157230050

22157230050 is an abundant number, since it is smaller than the sum of its proper divisors (39433375983).

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

22157230050 is an frugal number, since it uses more digits than its factorization.

22157230050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4702 (or 2349 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The spelling of 22157230050 in words is "twenty-two billion, one hundred fifty-seven million, two hundred thirty thousand, fifty".