4227865 has 8 divisors (see below), whose sum is σ = 5085000. Its totient is φ = 3374592.

The previous prime is 4227859. The next prime is 4227869. The reversal of 4227865 is 5687224.

It can be written as a sum of positive squares in 4 ways, for example, as 1468944 + 2758921 = 1212^2 + 1661^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4227865 - 2¹³ = 4219673 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4227865.

It is not an unprimeable number, because it can be changed into a prime (4227869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2761 + ... + 4009.

It is an arithmetic number, because the mean of its divisors is an integer number (635625).

Almost surely, 2^4227865 is an apocalyptic number.

It is an amenable number.

4227865 is a deficient number, since it is larger than the sum of its proper divisors (857135).

4227865 is a wasteful number, since it uses less digits than its factorization.

4227865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1931.

The product of its digits is 26880, while the sum is 34.

The square root of 4227865 is about 2056.1772783493. The cubic root of 4227865 is about 161.6988894333.

The spelling of 4227865 in words is "four million, two hundred twenty-seven thousand, eight hundred sixty-five".