2224889 has 4 divisors (see below), whose sum is σ = 2247924. Its totient is φ = 2201856.

The previous prime is 2224879. The next prime is 2224891. The reversal of 2224889 is 9884222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9884222 = 2 ⋅4942111.

It can be written as a sum of positive squares in 2 ways, for example, as 765625 + 1459264 = 875^2 + 1208^2 .

It is a cyclic number.

It is not a de Polignac number, because 2224889 - 2⁸ = 2224633 is a prime.

It is a d-powerful number, because it can be written as 2¹⁰ + 2¹¹ + 2¹⁶ + 4² + 8² + 8⁷ + 9⁵ .

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (2224879) 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 3 ways as a sum of consecutive naturals, for example, 11372 + ... + 11565.

It is an arithmetic number, because the mean of its divisors is an integer number (561981).

2^2224889 is an apocalyptic number.

It is an amenable number.

2224889 is a deficient number, since it is larger than the sum of its proper divisors (23035).

2224889 is an equidigital number, since it uses as much as digits as its factorization.

2224889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23034.

The product of its digits is 18432, while the sum is 35.

The square root of 2224889 is about 1491.6061812690. The cubic root of 2224889 is about 130.5477675820.

It can be divided in two parts, 2224 and 889, that added together give a palindrome (3113).

The spelling of 2224889 in words is "two million, two hundred twenty-four thousand, eight hundred eighty-nine".