6405575222 has 16 divisors (see below), whose sum is σ = 10360753200. Its totient is φ = 2960213760.

The previous prime is 6405575207. The next prime is 6405575227. The reversal of 6405575222 is 2225755046.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6405575227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2054147 + ... + 2057262.

It is an arithmetic number, because the mean of its divisors is an integer number (647547075).

Almost surely, 2^6405575222 is an apocalyptic number.

6405575222 is a deficient number, since it is larger than the sum of its proper divisors (3955177978).

6405575222 is a wasteful number, since it uses less digits than its factorization.

6405575222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4111471.

The product of its (nonzero) digits is 168000, while the sum is 38.

The square root of 6405575222 is about 80034.8375521560. The cubic root of 6405575222 is about 1857.1744996429.

The spelling of 6405575222 in words is "six billion, four hundred five million, five hundred seventy-five thousand, two hundred twenty-two".