4511222 has 16 divisors (see below), whose sum is σ = 7205760. Its totient is φ = 2110848.

The previous prime is 4511219. The next prime is 4511231. The reversal of 4511222 is 2221154.

It is a super-2 number, since 2×4511222² = 40702247866568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 4511222.

It is a congruent number.

It is an unprimeable number.

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, 9179 + ... + 9657.

It is an arithmetic number, because the mean of its divisors is an integer number (450360).

Almost surely, 2^4511222 is an apocalyptic number.

4511222 is a deficient number, since it is larger than the sum of its proper divisors (2694538).

4511222 is a wasteful number, since it uses less digits than its factorization.

4511222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775.

The product of its digits is 160, while the sum is 17.

The square root of 4511222 is about 2123.9637473366. The cubic root of 4511222 is about 165.2334864022.

Adding to 4511222 its reverse (2221154), we get a palindrome (6732376).

The spelling of 4511222 in words is "four million, five hundred eleven thousand, two hundred twenty-two".