4228065 has 16 divisors (see below), whose sum is σ = 7516800. Its totient is φ = 2254896.

The previous prime is 4228039. The next prime is 4228079. The reversal of 4228065 is 5608224.

It is not a de Polignac number, because 4228065 - 2⁸ = 4227809 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a d-powerful number, because it can be written as 4⁵ + 2¹⁴ + 2²² + 8³ + 0 + 6³ + 5⁶ .

It is a Curzon number.

4228065 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15525 + ... + 15794.

It is an arithmetic number, because the mean of its divisors is an integer number (469800).

Almost surely, 2^4228065 is an apocalyptic number.

4228065 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4228065 is a deficient number, since it is larger than the sum of its proper divisors (3288735).

4228065 is a wasteful number, since it uses less digits than its factorization.

4228065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31333 (or 31327 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 4228065 is about 2056.2259117130. The cubic root of 4228065 is about 161.7014391258.

The spelling of 4228065 in words is "four million, two hundred twenty-eight thousand, sixty-five".