4442222 has 4 divisors (see below), whose sum is σ = 6663336. Its totient is φ = 2221110.

The previous prime is 4442213. The next prime is 4442231. The reversal of 4442222 is 2222444.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (4442213) and next prime (4442231).

4442222 is a modest number, since divided by 2222 gives 444 as remainder.

It is a nialpdrome in base 10.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 4442194 and 4442203.

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 as a sum of consecutive naturals, namely, 1110554 + ... + 1110557.

It is an arithmetic number, because the mean of its divisors is an integer number (1665834).

Almost surely, 2^4442222 is an apocalyptic number.

4442222 is a deficient number, since it is larger than the sum of its proper divisors (2221114).

4442222 is a wasteful number, since it uses less digits than its factorization.

4442222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2221113.

The product of its digits is 1024, while the sum is 20.

The square root of 4442222 is about 2107.6579418872. The cubic root of 4442222 is about 164.3867286228.

Adding to 4442222 its reverse (2222444), we get a palindrome (6664666).

It can be divided in two parts, 44422 and 22, that added together give a palindrome (44444).

The spelling of 4442222 in words is "four million, four hundred forty-two thousand, two hundred twenty-two".