8623220217 has 8 divisors (see below), whose sum is σ = 11498056224. Its totient is φ = 5748598848.

The previous prime is 8623220213. The next prime is 8623220219. The reversal of 8623220217 is 7120223268.

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

It is not a de Polignac number, because 8623220217 - 2² = 8623220213 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8623220213) 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, 126498 + ... + 182340.

It is an arithmetic number, because the mean of its divisors is an integer number (1437257028).

Almost surely, 2^8623220217 is an apocalyptic number.

It is an amenable number.

8623220217 is a deficient number, since it is larger than the sum of its proper divisors (2874836007).

8623220217 is a wasteful number, since it uses less digits than its factorization.

8623220217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107319.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 8623220217 is about 92861.2955810977. The cubic root of 8623220217 is about 2050.6418943297.

The spelling of 8623220217 in words is "eight billion, six hundred twenty-three million, two hundred twenty thousand, two hundred seventeen".