22284281647 has 8 divisors (see below), whose sum is σ = 22662523520. Its totient is φ = 21909153240.

The previous prime is 22284281641. The next prime is 22284281681. The reversal of 22284281647 is 74618248222.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 22284281647 - 2⁷ = 22284281519 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22284281597 and 22284281606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22284281641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 763929 + ... + 792562.

It is an arithmetic number, because the mean of its divisors is an integer number (2832815440).

Almost surely, 2^22284281647 is an apocalyptic number.

22284281647 is a deficient number, since it is larger than the sum of its proper divisors (378241873).

22284281647 is a wasteful number, since it uses less digits than its factorization.

22284281647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1556733.

The product of its digits is 688128, while the sum is 46.

The spelling of 22284281647 in words is "twenty-two billion, two hundred eighty-four million, two hundred eighty-one thousand, six hundred forty-seven".