22384740872 has 60 divisors (see below), whose sum is σ = 45614614545. Its totient is φ = 10298411136.

The previous prime is 22384740857. The next prime is 22384740881. The reversal of 22384740872 is 27804748322.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 8 ways, for example, as 22226635396 + 158105476 = 149086^2 + 12574^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=105794.

It is a super-5 number, since 5×22384740872⁵ (a number of 53 digits) contains 55555 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 71516588 + ... + 71516900.

Almost surely, 2^22384740872 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 22384740872

22384740872 is an abundant number, since it is smaller than the sum of its proper divisors (23229873673).

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

22384740872 is an frugal number, since it uses more digits than its factorization.

22384740872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684 (or 328 counting only the distinct ones).

The product of its (nonzero) digits is 1204224, while the sum is 47.

The spelling of 22384740872 in words is "twenty-two billion, three hundred eighty-four million, seven hundred forty thousand, eight hundred seventy-two".