6404064422 has 8 divisors (see below), whose sum is σ = 10978396176. Its totient is φ = 2744599032.

The previous prime is 6404064419. The next prime is 6404064427. The reversal of 6404064422 is 2244604046.

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

It is a super-2 number, since 2×6404064422² = 82024082242252388168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6404064427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228716573 + ... + 228716600.

It is an arithmetic number, because the mean of its divisors is an integer number (1372299522).

Almost surely, 2^6404064422 is an apocalyptic number.

6404064422 is a deficient number, since it is larger than the sum of its proper divisors (4574331754).

6404064422 is a wasteful number, since it uses less digits than its factorization.

6404064422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457433182.

The product of its (nonzero) digits is 36864, while the sum is 32.

The square root of 6404064422 is about 80025.3986056927. The cubic root of 6404064422 is about 1857.0284789366.

Adding to 6404064422 its reverse (2244604046), we get a palindrome (8648668468).

The spelling of 6404064422 in words is "six billion, four hundred four million, sixty-four thousand, four hundred twenty-two".