4040222 has 16 divisors (see below), whose sum is σ = 6426000. Its totient is φ = 1901760.

The previous prime is 4040219. The next prime is 4040227. The reversal of 4040222 is 2220404.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4040197 and 4040206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4040227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1529 + ... + 3227.

It is an arithmetic number, because the mean of its divisors is an integer number (401625).

Almost surely, 2^4040222 is an apocalyptic number.

4040222 is a deficient number, since it is larger than the sum of its proper divisors (2385778).

4040222 is a wasteful number, since it uses less digits than its factorization.

4040222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1771.

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 4040222 is about 2010.0303480296. The cubic root of 4040222 is about 159.2704020581.

Adding to 4040222 its reverse (2220404), we get a palindrome (6260626).

The spelling of 4040222 in words is "four million, forty thousand, two hundred twenty-two".