22208620647 has 8 divisors (see below), whose sum is σ = 29612243056. Its totient is φ = 14805372672.

The previous prime is 22208620571. The next prime is 22208620781. The reversal of 22208620647 is 74602680222.

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

It is not a de Polignac number, because 22208620647 - 2¹⁵ = 22208587879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22208627647) 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, 104973 + ... + 235449.

It is an arithmetic number, because the mean of its divisors is an integer number (3701530382).

Almost surely, 2^22208620647 is an apocalyptic number.

22208620647 is a deficient number, since it is larger than the sum of its proper divisors (7403622409).

22208620647 is a wasteful number, since it uses less digits than its factorization.

22208620647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187217.

The product of its (nonzero) digits is 129024, while the sum is 39.

The spelling of 22208620647 in words is "twenty-two billion, two hundred eight million, six hundred twenty thousand, six hundred forty-seven".