4228331 has 4 divisors (see below), whose sum is σ = 4235664. Its totient is φ = 4221000.

The previous prime is 4228313. The next prime is 4228349. The reversal of 4228331 is 1338224.

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 (4228313) and next prime (4228349).

It is a cyclic number.

It is not a de Polignac number, because 4228331 - 2⁶ = 4228267 is a prime.

It is a super-2 number, since 2×4228331² = 35757566091122, which contains 22 as substring.

It is a d-powerful number, because it can be written as 4¹¹ + 2⁹ + 2¹⁵ + 8 + 3² + 3⁶ + 1 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4228297 and 4228306.

It is not an unprimeable number, because it can be changed into a prime (4228351) 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, 2720 + ... + 3981.

It is an arithmetic number, because the mean of its divisors is an integer number (1058916).

Almost surely, 2^4228331 is an apocalyptic number.

4228331 is a deficient number, since it is larger than the sum of its proper divisors (7333).

4228331 is an equidigital number, since it uses as much as digits as its factorization.

4228331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7332.

The product of its digits is 1152, while the sum is 23.

The square root of 4228331 is about 2056.2905923045. The cubic root of 4228331 is about 161.7048300924.

The spelling of 4228331 in words is "four million, two hundred twenty-eight thousand, three hundred thirty-one".