22640156650 has 48 divisors (see below), whose sum is σ = 42490137600. Its totient is φ = 8974627200.

The previous prime is 22640156647. The next prime is 22640156689. The reversal of 22640156650 is 5665104622.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8387001 + ... + 8389699.

It is an arithmetic number, because the mean of its divisors is an integer number (885211200).

Almost surely, 2^22640156650 is an apocalyptic number.

22640156650 is a deficient number, since it is larger than the sum of its proper divisors (19849980950).

22640156650 is a wasteful number, since it uses less digits than its factorization.

22640156650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4159 (or 4154 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 22640156650 in words is "twenty-two billion, six hundred forty million, one hundred fifty-six thousand, six hundred fifty".