2225849 has 6 divisors (see below), whose sum is σ = 2289966. Its totient is φ = 2162240.

The previous prime is 2225833. The next prime is 2225851. The reversal of 2225849 is 9485222.

It can be written as a sum of positive squares in 3 ways, for example, as 94249 + 2131600 = 307^2 + 1460^2 .

It is not a de Polignac number, because 2225849 - 2⁴ = 2225833 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 (2225819) 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 5 ways as a sum of consecutive naturals, for example, 9437 + ... + 9669.

It is an arithmetic number, because the mean of its divisors is an integer number (381661).

2^2225849 is an apocalyptic number.

It is an amenable number.

2225849 is a deficient number, since it is larger than the sum of its proper divisors (64117).

2225849 is an frugal number, since it uses more digits than its factorization.

2225849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507 (or 274 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 2225849 is about 1491.9279473219. The cubic root of 2225849 is about 130.5665412281.

The spelling of 2225849 in words is "two million, two hundred twenty-five thousand, eight hundred forty-nine".