8623220219 has 2 divisors, whose sum is σ = 8623220220. Its totient is φ = 8623220218.

The previous prime is 8623220213. The next prime is 8623220251. The reversal of 8623220219 is 9120223268.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8623220219 - 2²⁴ = 8606443003 is a prime.

It is a super-2 number, since 2×8623220219² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (8623220213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4311610109 + 4311610110.

It is an arithmetic number, because the mean of its divisors is an integer number (4311610110).

Almost surely, 2^8623220219 is an apocalyptic number.

8623220219 is a deficient number, since it is larger than the sum of its proper divisors (1).

8623220219 is an equidigital number, since it uses as much as digits as its factorization.

8623220219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 8623220219 is about 92861.2955918665. The cubic root of 8623220219 is about 2050.6418944882.

The spelling of 8623220219 in words is "eight billion, six hundred twenty-three million, two hundred twenty thousand, two hundred nineteen".