4004012222 has 16 divisors (see below), whose sum is σ = 6865147872. Its totient is φ = 1715723520.

The previous prime is 4004012219. The next prime is 4004012267. The reversal of 4004012222 is 2222104004.

It is a happy number.

It is a super-2 number, since 2×4004012222² = 32064227747850754568, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4004012222.

It is a congruent number.

It is an unprimeable number.

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, 80822 + ... + 120582.

It is an arithmetic number, because the mean of its divisors is an integer number (429071742).

Almost surely, 2^4004012222 is an apocalyptic number.

4004012222 is a deficient number, since it is larger than the sum of its proper divisors (2861135650).

4004012222 is a wasteful number, since it uses less digits than its factorization.

4004012222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46963.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 4004012222 is about 63277.2646532702. The cubic root of 4004012222 is about 1587.9316250616.

Adding to 4004012222 its reverse (2222104004), we get a palindrome (6226116226).

The spelling of 4004012222 in words is "four billion, four million, twelve thousand, two hundred twenty-two".