22643246356 has 48 divisors (see below), whose sum is σ = 43815582720. Its totient is φ = 10184261120.

The previous prime is 22643246291. The next prime is 22643246401. The reversal of 22643246356 is 65364234622.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2245566 + ... + 2255626.

It is an arithmetic number, because the mean of its divisors is an integer number (912824640).

Almost surely, 2^22643246356 is an apocalyptic number.

It is an amenable number.

22643246356 is a deficient number, since it is larger than the sum of its proper divisors (21172336364).

22643246356 is a wasteful number, since it uses less digits than its factorization.

22643246356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11544 (or 11542 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 43.

The spelling of 22643246356 in words is "twenty-two billion, six hundred forty-three million, two hundred forty-six thousand, three hundred fifty-six".