6400566022 has 8 divisors (see below), whose sum is σ = 9614547072. Its totient is φ = 3195717000.

The previous prime is 6400565987. The next prime is 6400566059. The reversal of 6400566022 is 2206650046.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2281254 + ... + 2284057.

It is an arithmetic number, because the mean of its divisors is an integer number (1201818384).

Almost surely, 2^6400566022 is an apocalyptic number.

6400566022 is a deficient number, since it is larger than the sum of its proper divisors (3213981050).

6400566022 is a wasteful number, since it uses less digits than its factorization.

6400566022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4566014.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 6400566022 is about 80003.5375592855. The cubic root of 6400566022 is about 1856.6902660273.

The spelling of 6400566022 in words is "six billion, four hundred million, five hundred sixty-six thousand, twenty-two".