4000044022 has 16 divisors (see below), whose sum is σ = 6467872320. Its totient is φ = 1844384832.

The previous prime is 4000043923. The next prime is 4000044077. The reversal of 4000044022 is 2204400004.

It is a junction number, because it is equal to n+sod(n) for n = 4000043987 and 4000044005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47023 + ... + 101050.

It is an arithmetic number, because the mean of its divisors is an integer number (404242020).

Almost surely, 2^4000044022 is an apocalyptic number.

4000044022 is a deficient number, since it is larger than the sum of its proper divisors (2467828298).

4000044022 is a wasteful number, since it uses less digits than its factorization.

4000044022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149127.

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

The square root of 4000044022 is about 63245.9012268779. The cubic root of 4000044022 is about 1587.4068753276.

Adding to 4000044022 its reverse (2204400004), we get a palindrome (6204444026).

The spelling of 4000044022 in words is "four billion, forty-four thousand, twenty-two".