4005404122 has 16 divisors (see below), whose sum is σ = 6146904960. Its totient is φ = 1956958848.

The previous prime is 4005404101. The next prime is 4005404129. The reversal of 4005404122 is 2214045004.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4005404093 and 4005404102.

It is not an unprimeable number, because it can be changed into a prime (4005404129) 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, 115348 + ... + 145999.

It is an arithmetic number, because the mean of its divisors is an integer number (384181560).

Almost surely, 2^4005404122 is an apocalyptic number.

4005404122 is a deficient number, since it is larger than the sum of its proper divisors (2141500838).

4005404122 is a wasteful number, since it uses less digits than its factorization.

4005404122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261525.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 4005404122 is about 63288.2621186583. The cubic root of 4005404122 is about 1588.1156060156.

Adding to 4005404122 its reverse (2214045004), we get a palindrome (6219449126).

The spelling of 4005404122 in words is "four billion, five million, four hundred four thousand, one hundred twenty-two".