4022085 has 16 divisors (see below), whose sum is σ = 6610176. Its totient is φ = 2086848.

The previous prime is 4022071. The next prime is 4022087. The reversal of 4022085 is 5802204.

It is not a de Polignac number, because 4022085 - 2⁴ = 4022069 is a prime.

It is a Curzon number.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4022087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3069 + ... + 4178.

It is an arithmetic number, because the mean of its divisors is an integer number (413136).

Almost surely, 2^4022085 is an apocalyptic number.

It is an amenable number.

4022085 is a deficient number, since it is larger than the sum of its proper divisors (2588091).

4022085 is a wasteful number, since it uses less digits than its factorization.

4022085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7292.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 4022085 is about 2005.5136499162. The cubic root of 4022085 is about 159.0317171014.

Adding to 4022085 its reverse (5802204), we get a palindrome (9824289).

The spelling of 4022085 in words is "four million, twenty-two thousand, eighty-five".