22771594112 has 128 divisors (see below), whose sum is σ = 50153644800. Its totient is φ = 10251141120.

The previous prime is 22771594103. The next prime is 22771594123. The reversal of 22771594112 is 21149517722.

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

It is a self number, because there is not a number n which added to its sum of digits gives 22771594112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6001688 + ... + 6005480.

It is an arithmetic number, because the mean of its divisors is an integer number (391825350).

Almost surely, 2^22771594112 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 22771594112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25076822400).

22771594112 is an abundant number, since it is smaller than the sum of its proper divisors (27382050688).

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

22771594112 is a wasteful number, since it uses less digits than its factorization.

22771594112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3944 (or 3932 counting only the distinct ones).

The product of its digits is 70560, while the sum is 41.

The spelling of 22771594112 in words is "twenty-two billion, seven hundred seventy-one million, five hundred ninety-four thousand, one hundred twelve".