2220085 has 16 divisors (see below), whose sum is σ = 3073536. Its totient is φ = 1507968.

The previous prime is 2220083. The next prime is 2220089. The reversal of 2220085 is 5800222.

2220085 = 53² + 54² + ... + 189².

It is not a de Polignac number, because 2220085 - 2¹ = 2220083 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220083) 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, 4564 + ... + 5026.

It is an arithmetic number, because the mean of its divisors is an integer number (192096).

2^2220085 is an apocalyptic number.

It is an amenable number.

2220085 is a deficient number, since it is larger than the sum of its proper divisors (853451).

2220085 is a wasteful number, since it uses less digits than its factorization.

2220085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 2220085 is about 1489.9949664345. The cubic root of 2220085 is about 130.4537399097.

The spelling of 2220085 in words is "two million, two hundred twenty thousand, eighty-five".