7218466867 has 8 divisors (see below), whose sum is σ = 7243554752. Its totient is φ = 7193399400.

The previous prime is 7218466861. The next prime is 7218466891. The reversal of 7218466867 is 7686648127.

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 7218466867 - 2¹⁵ = 7218434099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7218466861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1099288 + ... + 1105834.

It is an arithmetic number, because the mean of its divisors is an integer number (905444344).

Almost surely, 2^7218466867 is an apocalyptic number.

7218466867 is a deficient number, since it is larger than the sum of its proper divisors (25087885).

7218466867 is a wasteful number, since it uses less digits than its factorization.

7218466867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10209.

The product of its digits is 5419008, while the sum is 55.

The square root of 7218466867 is about 84961.5611144240. The cubic root of 7218466867 is about 1932.6282453591.

The spelling of 7218466867 in words is "seven billion, two hundred eighteen million, four hundred sixty-six thousand, eight hundred sixty-seven".