22533540650 has 24 divisors (see below), whose sum is σ = 42383319660. Its totient is φ = 8912140160.

The previous prime is 22533540649. The next prime is 22533540697. The reversal of 22533540650 is 5604533522.

It can be written as a sum of positive squares in 6 ways, for example, as 1462986001 + 21070554649 = 38249^2 + 145157^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22533540650.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2527409 + ... + 2536308.

Almost surely, 2^22533540650 is an apocalyptic number.

22533540650 is a deficient number, since it is larger than the sum of its proper divisors (19849779010).

22533540650 is a wasteful number, since it uses less digits than its factorization.

22533540650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5063818 (or 5063813 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 35.

The spelling of 22533540650 in words is "twenty-two billion, five hundred thirty-three million, five hundred forty thousand, six hundred fifty".