2224945 has 8 divisors (see below), whose sum is σ = 2679336. Its totient is φ = 1773696.

The previous prime is 2224939. The next prime is 2224961. The reversal of 2224945 is 5494222.

2224945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 262144 + 1962801 = 512^2 + 1401^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2224945 is a prime.

It is a Duffinian number.

2224945 is a lucky number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1269 + ... + 2461.

It is an arithmetic number, because the mean of its divisors is an integer number (334917).

2^2224945 is an apocalyptic number.

It is an amenable number.

2224945 is a deficient number, since it is larger than the sum of its proper divisors (454391).

2224945 is a wasteful number, since it uses less digits than its factorization.

2224945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1571.

The product of its digits is 5760, while the sum is 28.

The square root of 2224945 is about 1491.6249528618. The cubic root of 2224945 is about 130.5488628596.

The spelling of 2224945 in words is "two million, two hundred twenty-four thousand, nine hundred forty-five".