22276456328 has 96 divisors (see below), whose sum is σ = 51256748160. Its totient is φ = 8860354560.

The previous prime is 22276456313. The next prime is 22276456339. The reversal of 22276456328 is 82365467222.

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, 5071013 + ... + 5075403.

It is an arithmetic number, because the mean of its divisors is an integer number (533924460).

Almost surely, 2^22276456328 is an apocalyptic number.

22276456328 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22276456328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25628374080).

22276456328 is an abundant number, since it is smaller than the sum of its proper divisors (28980291832).

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

22276456328 is a wasteful number, since it uses less digits than its factorization.

22276456328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4567 (or 4490 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 47.

The spelling of 22276456328 in words is "twenty-two billion, two hundred seventy-six million, four hundred fifty-six thousand, three hundred twenty-eight".