2003422018 has 16 divisors (see below), whose sum is σ = 3426668280. Its totient is φ = 870264576.

The previous prime is 2003421929. The next prime is 2003422019. The reversal of 2003422018 is 8102243002.

It can be written as a sum of positive squares in 4 ways, for example, as 1658688529 + 344733489 = 40727^2 + 18567^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2003422018.

It is not an unprimeable number, because it can be changed into a prime (2003422019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2265873 + ... + 2266756.

Almost surely, 2^2003422018 is an apocalyptic number.

2003422018 is a deficient number, since it is larger than the sum of its proper divisors (1423246262).

2003422018 is a wasteful number, since it uses less digits than its factorization.

2003422018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4532661.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 2003422018 is about 44759.6025228107. The cubic root of 2003422018 is about 1260.6392192043.

The spelling of 2003422018 in words is "two billion, three million, four hundred twenty-two thousand, eighteen".