4228663 has 6 divisors (see below), whose sum is σ = 4331184. Its totient is φ = 4128516.

The previous prime is 4228649. The next prime is 4228669. The reversal of 4228663 is 3668224.

It is a de Polignac number, because none of the positive numbers 2^k-4228663 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 4¹¹ + 2³ + 2¹⁵ + 8 + 6² + 6⁴ + 3⁵ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4228669) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 706 + ... + 2992.

It is an arithmetic number, because the mean of its divisors is an integer number (721864).

Almost surely, 2^4228663 is an apocalyptic number.

4228663 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

4228663 is a deficient number, since it is larger than the sum of its proper divisors (102521).

4228663 is an equidigital number, since it uses as much as digits as its factorization.

4228663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2373 (or 2330 counting only the distinct ones).

The product of its digits is 13824, while the sum is 31.

The square root of 4228663 is about 2056.3713186096. The cubic root of 4228663 is about 161.7090622270.

The spelling of 4228663 in words is "four million, two hundred twenty-eight thousand, six hundred sixty-three".