6404404222 has 16 divisors (see below), whose sum is σ = 9977111280. Its totient is φ = 3080645568.

The previous prime is 6404404217. The next prime is 6404404229. The reversal of 6404404222 is 2224044046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6404404229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 479628 + ... + 492799.

It is an arithmetic number, because the mean of its divisors is an integer number (623569455).

Almost surely, 2^6404404222 is an apocalyptic number.

6404404222 is a deficient number, since it is larger than the sum of its proper divisors (3572707058).

6404404222 is a wasteful number, since it uses less digits than its factorization.

6404404222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972555.

The product of its (nonzero) digits is 12288, while the sum is 28.

The square root of 6404404222 is about 80027.5216534912. The cubic root of 6404404222 is about 1857.0613230325.

Adding to 6404404222 its reverse (2224044046), we get a palindrome (8628448268).

The spelling of 6404404222 in words is "six billion, four hundred four million, four hundred four thousand, two hundred twenty-two".