22816687650 has 24 divisors (see below), whose sum is σ = 56585385744. Its totient is φ = 6084450000.

The previous prime is 22816687639. The next prime is 22816687667. The reversal of 22816687650 is 5678661822.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22816687593 and 22816687602.

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, 76055476 + ... + 76055775.

It is an arithmetic number, because the mean of its divisors is an integer number (2357724406).

Almost surely, 2^22816687650 is an apocalyptic number.

22816687650 is an abundant number, since it is smaller than the sum of its proper divisors (33768698094).

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

22816687650 is a wasteful number, since it uses less digits than its factorization.

22816687650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152111266 (or 152111261 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 51.

The spelling of 22816687650 in words is "twenty-two billion, eight hundred sixteen million, six hundred eighty-seven thousand, six hundred fifty".