22271328385 has 8 divisors (see below), whose sum is σ = 26766904896. Its totient is φ = 17789522160.

The previous prime is 22271328383. The next prime is 22271328407. The reversal of 22271328385 is 58382317222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22271328385 - 2¹ = 22271328383 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22271328383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3439011 + ... + 3445480.

It is an arithmetic number, because the mean of its divisors is an integer number (3345863112).

Almost surely, 2^22271328385 is an apocalyptic number.

It is an amenable number.

22271328385 is a deficient number, since it is larger than the sum of its proper divisors (4495576511).

22271328385 is an equidigital number, since it uses as much as digits as its factorization.

22271328385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6885143.

The product of its digits is 322560, while the sum is 43.

The spelling of 22271328385 in words is "twenty-two billion, two hundred seventy-one million, three hundred twenty-eight thousand, three hundred eighty-five".