2224685 has 4 divisors (see below), whose sum is σ = 2669628. Its totient is φ = 1779744.

The previous prime is 2224681. The next prime is 2224687. The reversal of 2224685 is 5864222.

2224685 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 259081 + 1965604 = 509^2 + 1402^2 .

It is a cyclic number.

It is not a de Polignac number, because 2224685 - 2² = 2224681 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2⁵ + 2¹⁵ + 2²¹ + 4⁷ + 6³ + 8 + 5⁷ .

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2224681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222464 + ... + 222473.

It is an arithmetic number, because the mean of its divisors is an integer number (667407).

2^2224685 is an apocalyptic number.

It is an amenable number.

2224685 is a deficient number, since it is larger than the sum of its proper divisors (444943).

2224685 is an equidigital number, since it uses as much as digits as its factorization.

2224685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444942.

The product of its digits is 7680, while the sum is 29.

The square root of 2224685 is about 1491.5377970404. The cubic root of 2224685 is about 130.5437774865.

The spelling of 2224685 in words is "two million, two hundred twenty-four thousand, six hundred eighty-five".