6667222289 has 24 divisors (see below), whose sum is σ = 8578113768. Its totient is φ = 5132574720.

The previous prime is 6667222273. The next prime is 6667222381. The reversal of 6667222289 is 9822227666.

It can be written as a sum of positive squares in 4 ways, for example, as 102171664 + 6565050625 = 10108^2 + 81025^2 .

It is not a de Polignac number, because 6667222289 - 2⁴ = 6667222273 is a prime.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (6667222229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117872 + ... + 165009.

It is an arithmetic number, because the mean of its divisors is an integer number (357421407).

Almost surely, 2^6667222289 is an apocalyptic number.

It is an amenable number.

6667222289 is a deficient number, since it is larger than the sum of its proper divisors (1910891479).

6667222289 is a wasteful number, since it uses less digits than its factorization.

6667222289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282945 (or 282938 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 50.

The square root of 6667222289 is about 81653.0604998980. The cubic root of 6667222289 is about 1882.1243423730.

The spelling of 6667222289 in words is "six billion, six hundred sixty-seven million, two hundred twenty-two thousand, two hundred eighty-nine".