2004400222 has 16 divisors (see below), whose sum is σ = 3297106944. Its totient is φ = 906319000.

The previous prime is 2004400187. The next prime is 2004400253. The reversal of 2004400222 is 2220044002.

It is a junction number, because it is equal to n+sod(n) for n = 2004400196 and 2004400205.

It is a congruent number.

It is an unprimeable number.

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, 234304 + ... + 242707.

It is an arithmetic number, because the mean of its divisors is an integer number (206069184).

Almost surely, 2^2004400222 is an apocalyptic number.

2004400222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2004400222 is a deficient number, since it is larger than the sum of its proper divisors (1292706722).

2004400222 is a wasteful number, since it uses less digits than its factorization.

2004400222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477215.

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 2004400222 is about 44770.5284981091. The cubic root of 2004400222 is about 1260.8443618163.

Adding to 2004400222 its reverse (2220044002), we get a palindrome (4224444224).

The spelling of 2004400222 in words is "two billion, four million, four hundred thousand, two hundred twenty-two".