22545612650 has 24 divisors (see below), whose sum is σ = 45747098784. Its totient is φ = 8198404400.

The previous prime is 22545612611. The next prime is 22545612679. The reversal of 22545612650 is 5621654522.

It is a happy number.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20495462 + ... + 20496561.

It is an arithmetic number, because the mean of its divisors is an integer number (1906129116).

Almost surely, 2^22545612650 is an apocalyptic number.

22545612650 is an abundant number, since it is smaller than the sum of its proper divisors (23201486134).

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

22545612650 is a wasteful number, since it uses less digits than its factorization.

22545612650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40992046 (or 40992041 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 38.

The spelling of 22545612650 in words is "twenty-two billion, five hundred forty-five million, six hundred twelve thousand, six hundred fifty".