4228717 has 4 divisors (see below), whose sum is σ = 4247100. Its totient is φ = 4210336.

The previous prime is 4228673. The next prime is 4228723. The reversal of 4228717 is 7178224.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1028196 + 3200521 = 1014^2 + 1789^2 .

It is a cyclic number.

It is not a de Polignac number, because 4228717 - 2¹⁵ = 4195949 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4228727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8842 + ... + 9307.

It is an arithmetic number, because the mean of its divisors is an integer number (1061775).

Almost surely, 2^4228717 is an apocalyptic number.

It is an amenable number.

4228717 is a deficient number, since it is larger than the sum of its proper divisors (18383).

4228717 is a wasteful number, since it uses less digits than its factorization.

4228717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18382.

The product of its digits is 6272, while the sum is 31.

The square root of 4228717 is about 2056.3844484921. The cubic root of 4228717 is about 161.7097505653.

The spelling of 4228717 in words is "four million, two hundred twenty-eight thousand, seven hundred seventeen".