4229865 has 12 divisors (see below), whose sum is σ = 7331844. Its totient is φ = 2255904.

The previous prime is 4229851. The next prime is 4229873. The reversal of 4229865 is 5689224.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3164841 + 1065024 = 1779^2 + 1032^2 .

It is not a de Polignac number, because 4229865 - 2⁵ = 4229833 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46954 + ... + 47043.

It is an arithmetic number, because the mean of its divisors is an integer number (610987).

Almost surely, 2^4229865 is an apocalyptic number.

4229865 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4229865 is a deficient number, since it is larger than the sum of its proper divisors (3101979).

4229865 is a wasteful number, since it uses less digits than its factorization.

4229865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94008 (or 94005 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 4229865 is about 2056.6635602354. The cubic root of 4229865 is about 161.7243827416.

The spelling of 4229865 in words is "four million, two hundred twenty-nine thousand, eight hundred sixty-five".