9221987617 has 8 divisors (see below), whose sum is σ = 9544867200. Its totient is φ = 8899433424.

The previous prime is 9221987597. The next prime is 9221987627. The reversal of 9221987617 is 7167891229.

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 9221987617 - 2¹¹ = 9221985569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9221987627) 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, 22953 + ... + 137734.

It is an arithmetic number, because the mean of its divisors is an integer number (1193108400).

Almost surely, 2^9221987617 is an apocalyptic number.

It is an amenable number.

9221987617 is a deficient number, since it is larger than the sum of its proper divisors (322879583).

9221987617 is a wasteful number, since it uses less digits than its factorization.

9221987617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162695.

The product of its digits is 762048, while the sum is 52.

The square root of 9221987617 is about 96031.1804415628. The cubic root of 9221987617 is about 2097.0470678728.

The spelling of 9221987617 in words is "nine billion, two hundred twenty-one million, nine hundred eighty-seven thousand, six hundred seventeen".