22641606236 has 6 divisors (see below), whose sum is σ = 39622810920. Its totient is φ = 11320803116.

The previous prime is 22641606227. The next prime is 22641606277. The reversal of 22641606236 is 63260614622.

It is a self number, because there is not a number n which added to its sum of digits gives 22641606236.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2830200776 + ... + 2830200783.

It is an arithmetic number, because the mean of its divisors is an integer number (6603801820).

Almost surely, 2^22641606236 is an apocalyptic number.

It is an amenable number.

22641606236 is a deficient number, since it is larger than the sum of its proper divisors (16981204684).

22641606236 is a wasteful number, since it uses less digits than its factorization.

22641606236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5660401563 (or 5660401561 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 38.

The spelling of 22641606236 in words is "twenty-two billion, six hundred forty-one million, six hundred six thousand, two hundred thirty-six".