22276388116512 has 144 divisors (see below), whose sum is σ = 63663086410560. Its totient is φ = 7388664132096.

The previous prime is 22276388116459. The next prime is 22276388116531. The reversal of 22276388116512 is 21561188367222.

It is a happy number.

22276388116512 is a `hidden beast` number, since 2 + 2 + 2 + 7 + 6 + 3 + 8 + 8 + 116 + 512 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×22276388116512² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54392439 + ... + 54800457.

It is an arithmetic number, because the mean of its divisors is an integer number (442104766740).

Almost surely, 2^{22276388116512} 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 22276388116512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31831543205280).

22276388116512 is an abundant number, since it is smaller than the sum of its proper divisors (41386698294048).

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

22276388116512 is a wasteful number, since it uses less digits than its factorization.

22276388116512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408975 (or 408964 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 54.

The spelling of 22276388116512 in words is "twenty-two trillion, two hundred seventy-six billion, three hundred eighty-eight million, one hundred sixteen thousand, five hundred twelve".