4000022244 has 24 divisors (see below), whose sum is σ = 10370428320. Its totient is φ = 1333340712.

The previous prime is 4000022227. The next prime is 4000022297. The reversal of 4000022244 is 4422200004.

4000022244 is a `hidden beast` number, since 400 + 0 + 0 + 22 + 244 = 666.

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

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, 18518514 + ... + 18518729.

It is an arithmetic number, because the mean of its divisors is an integer number (432101180).

Almost surely, 2^4000022244 is an apocalyptic number.

It is an amenable number.

4000022244 is an abundant number, since it is smaller than the sum of its proper divisors (6370406076).

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

4000022244 is a wasteful number, since it uses less digits than its factorization.

4000022244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37037256 (or 37037248 counting only the distinct ones).

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

The square root of 4000022244 is about 63245.7290573838. The cubic root of 4000022244 is about 1587.4039944752.

Adding to 4000022244 its reverse (4422200004), we get a palindrome (8422222248).

The spelling of 4000022244 in words is "four billion, twenty-two thousand, two hundred forty-four".