4430222 has 4 divisors (see below), whose sum is σ = 6645336. Its totient is φ = 2215110.

The previous prime is 4430221. The next prime is 4430227. The reversal of 4430222 is 2220344.

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

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 4430222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4430221) by changing a digit.

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, 1107554 + ... + 1107557.

It is an arithmetic number, because the mean of its divisors is an integer number (1661334).

Almost surely, 2^4430222 is an apocalyptic number.

4430222 is a deficient number, since it is larger than the sum of its proper divisors (2215114).

4430222 is a wasteful number, since it uses less digits than its factorization.

4430222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2215113.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 4430222 is about 2104.8092550158. The cubic root of 4430222 is about 164.2385730617.

Adding to 4430222 its reverse (2220344), we get a palindrome (6650566).

The spelling of 4430222 in words is "four million, four hundred thirty thousand, two hundred twenty-two".