22650206500 has 24 divisors (see below), whose sum is σ = 49468052088. Its totient is φ = 9060082400.

The previous prime is 22650206437. The next prime is 22650206531. The reversal of 22650206500 is 560205622.

It can be written as a sum of positive squares in 4 ways, for example, as 119596096 + 22530610404 = 10936^2 + 150102^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22649707 + ... + 22650706.

It is an arithmetic number, because the mean of its divisors is an integer number (2061168837).

Almost surely, 2^22650206500 is an apocalyptic number.

22650206500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22650206500 is an abundant number, since it is smaller than the sum of its proper divisors (26817845588).

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

22650206500 is a wasteful number, since it uses less digits than its factorization.

22650206500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45300432 (or 45300420 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The spelling of 22650206500 in words is "twenty-two billion, six hundred fifty million, two hundred six thousand, five hundred".