4004402022 has 40 divisors (see below), whose sum is σ = 9191691432. Its totient is φ = 1302242400.

The previous prime is 4004401987. The next prime is 4004402027. The reversal of 4004402022 is 2202044004.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 4004401986 and 4004402004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4004402027) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 294804 + ... + 308087.

Almost surely, 2^4004402022 is an apocalyptic number.

4004402022 is an abundant number, since it is smaller than the sum of its proper divisors (5187289410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4004402022 is a wasteful number, since it uses less digits than its factorization.

4004402022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602946 (or 602937 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 4004402022 is about 63280.3446735240. The cubic root of 4004402022 is about 1587.9831530147.

Adding to 4004402022 its reverse (2202044004), we get a palindrome (6206446026).

The spelling of 4004402022 in words is "four billion, four million, four hundred two thousand, twenty-two".