22644788946892 has 24 divisors (see below), whose sum is σ = 45593534800800. Its totient is φ = 9639775925760.

The previous prime is 22644788946803. The next prime is 22644788946947. The reversal of 22644788946892 is 29864988744622.

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 7 ways as a sum of consecutive naturals, for example, 2713896709 + ... + 2713905052.

It is an arithmetic number, because the mean of its divisors is an integer number (1899730616700).

Almost surely, 2^{22644788946892} is an apocalyptic number.

It is an amenable number.

22644788946892 is an abundant number, since it is smaller than the sum of its proper divisors (22948745853908).

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

22644788946892 is a wasteful number, since it uses less digits than its factorization.

22644788946892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5427801921 (or 5427801919 counting only the distinct ones).

The product of its digits is 5350883328, while the sum is 79.

The spelling of 22644788946892 in words is "twenty-two trillion, six hundred forty-four billion, seven hundred eighty-eight million, nine hundred forty-six thousand, eight hundred ninety-two".