4018222 has 16 divisors (see below), whose sum is σ = 6873552. Its totient is φ = 1745280.

The previous prime is 4018207. The next prime is 4018243. The reversal of 4018222 is 2228104.

4018222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×4018222² = 32292216082568, 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 4018222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4104 + ... + 4987.

It is an arithmetic number, because the mean of its divisors is an integer number (429597).

Almost surely, 2^4018222 is an apocalyptic number.

4018222 is a deficient number, since it is larger than the sum of its proper divisors (2855330).

4018222 is a wasteful number, since it uses less digits than its factorization.

4018222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9123.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 4018222 is about 2004.5503236387. The cubic root of 4018222 is about 158.9807869405.

It can be divided in two parts, 40182 and 22, that added together give a palindrome (40204).

The spelling of 4018222 in words is "four million, eighteen thousand, two hundred twenty-two".