22532217650 has 12 divisors (see below), whose sum is σ = 41909924922. Its totient is φ = 9012887040.

The previous prime is 22532217641. The next prime is 22532217683. The reversal of 22532217650 is 5671223522.

It can be written as a sum of positive squares in 3 ways, for example, as 18488656729 + 4043560921 = 135973^2 + 63589^2 .

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 22532217650.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 225322127 + ... + 225322226.

Almost surely, 2^22532217650 is an apocalyptic number.

22532217650 is a deficient number, since it is larger than the sum of its proper divisors (19377707272).

22532217650 is a wasteful number, since it uses less digits than its factorization.

22532217650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450644365 (or 450644360 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 35.

The spelling of 22532217650 in words is "twenty-two billion, five hundred thirty-two million, two hundred seventeen thousand, six hundred fifty".