2223985 has 16 divisors (see below), whose sum is σ = 2830464. Its totient is φ = 1674112.

The previous prime is 2223983. The next prime is 2224009. The reversal of 2223985 is 5893222.

It is a cyclic number.

It is not a de Polignac number, because 2223985 - 2¹ = 2223983 is a prime.

It is a super-2 number, since 2×2223985² = 9892218560450, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2¹³ + 2¹⁷ + 2¹⁷ + 3 + 9 + 8³ + 5⁹ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2223983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9429 + ... + 9661.

It is an arithmetic number, because the mean of its divisors is an integer number (176904).

2^2223985 is an apocalyptic number.

It is an amenable number.

2223985 is a deficient number, since it is larger than the sum of its proper divisors (606479).

2223985 is a wasteful number, since it uses less digits than its factorization.

2223985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344.

The product of its digits is 8640, while the sum is 31.

The square root of 2223985 is about 1491.3031214344. The cubic root of 2223985 is about 130.5300841276.

The spelling of 2223985 in words is "two million, two hundred twenty-three thousand, nine hundred eighty-five".