8622478219 has 2 divisors, whose sum is σ = 8622478220. Its totient is φ = 8622478218.

The previous prime is 8622478213. The next prime is 8622478231. The reversal of 8622478219 is 9128742268.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8622478219 - 2¹¹ = 8622476171 is a prime.

It is a super-2 number, since 2×8622478219² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8622478213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4311239109 + 4311239110.

It is an arithmetic number, because the mean of its divisors is an integer number (4311239110).

Almost surely, 2^8622478219 is an apocalyptic number.

8622478219 is a deficient number, since it is larger than the sum of its proper divisors (1).

8622478219 is an equidigital number, since it uses as much as digits as its factorization.

8622478219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 774144, while the sum is 49.

The square root of 8622478219 is about 92857.3002999764. The cubic root of 8622478219 is about 2050.5830757835.

The spelling of 8622478219 in words is "eight billion, six hundred twenty-two million, four hundred seventy-eight thousand, two hundred nineteen".