22028324845 has 8 divisors (see below), whose sum is σ = 26768597760. Its totient is φ = 17399587920.

The previous prime is 22028324839. The next prime is 22028324867. The reversal of 22028324845 is 54842382022.

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

It is not a de Polignac number, because 22028324845 - 2³ = 22028324837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22028324798 and 22028324807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27883561 + ... + 27884350.

It is an arithmetic number, because the mean of its divisors is an integer number (3346074720).

Almost surely, 2^22028324845 is an apocalyptic number.

It is an amenable number.

22028324845 is a deficient number, since it is larger than the sum of its proper divisors (4740272915).

22028324845 is an equidigital number, since it uses as much as digits as its factorization.

22028324845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55767995.

The product of its (nonzero) digits is 245760, while the sum is 40.

The spelling of 22028324845 in words is "twenty-two billion, twenty-eight million, three hundred twenty-four thousand, eight hundred forty-five".