22044967782528 has 128 divisors (see below), whose sum is σ = 58682456824320. Its totient is φ = 7332586684416.

The previous prime is 22044967782527. The next prime is 22044967782533. The reversal of 22044967782528 is 82528776944022.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (22044967782527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 404935726 + ... + 404990162.

It is an arithmetic number, because the mean of its divisors is an integer number (458456693940).

Almost surely, 2^{22044967782528} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22044967782528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29341228412160).

22044967782528 is an abundant number, since it is smaller than the sum of its proper divisors (36637489041792).

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

22044967782528 is a wasteful number, since it uses less digits than its factorization.

22044967782528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56694 (or 56682 counting only the distinct ones).

The product of its (nonzero) digits is 216760320, while the sum is 66.

The spelling of 22044967782528 in words is "twenty-two trillion, forty-four billion, nine hundred sixty-seven million, seven hundred eighty-two thousand, five hundred twenty-eight".