6400422422 has 12 divisors (see below), whose sum is σ = 10132525836. Its totient is φ = 3031778700.

The previous prime is 6400422421. The next prime is 6400422449. The reversal of 6400422422 is 2242240046.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 6400422391 and 6400422400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6400422421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4431704 + ... + 4433147.

It is an arithmetic number, because the mean of its divisors is an integer number (844377153).

Almost surely, 2^6400422422 is an apocalyptic number.

6400422422 is a deficient number, since it is larger than the sum of its proper divisors (3732103414).

6400422422 is a wasteful number, since it uses less digits than its factorization.

6400422422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8864891 (or 8864872 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 6400422422 is about 80002.6400939369. The cubic root of 6400422422 is about 1856.6763806556.

Adding to 6400422422 its reverse (2242240046), we get a palindrome (8642662468).

The spelling of 6400422422 in words is "six billion, four hundred million, four hundred twenty-two thousand, four hundred twenty-two".