4001214222 has 12 divisors (see below), whose sum is σ = 8669297520. Its totient is φ = 1333738068.

The previous prime is 4001214211. The next prime is 4001214227. The reversal of 4001214222 is 2224121004.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 222289679 = 4001214222 / (4 + 0 + 0 + 1 + 2 + 1 + 4 + 2 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 4001214195 and 4001214204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4001214227) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 111144822 + ... + 111144857.

It is an arithmetic number, because the mean of its divisors is an integer number (722441460).

Almost surely, 2^4001214222 is an apocalyptic number.

4001214222 is an abundant number, since it is smaller than the sum of its proper divisors (4668083298).

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

4001214222 is a wasteful number, since it uses less digits than its factorization.

4001214222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222289687 (or 222289684 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 4001214222 is about 63255.1517427632. The cubic root of 4001214222 is about 1587.5616571584.

Adding to 4001214222 its reverse (2224121004), we get a palindrome (6225335226).

The spelling of 4001214222 in words is "four billion, one million, two hundred fourteen thousand, two hundred twenty-two".