2248009 has 4 divisors (see below), whose sum is σ = 2308804. Its totient is φ = 2187216.

The previous prime is 2247991. The next prime is 2248013. The reversal of 2248009 is 9008422.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9008422 = 2 ⋅4504211.

It can be written as a sum of positive squares in 2 ways, for example, as 1690000 + 558009 = 1300^2 + 747^2 .

It is a cyclic number.

It is not a de Polignac number, because 2248009 - 2⁵ = 2247977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2248019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30342 + ... + 30415.

It is an arithmetic number, because the mean of its divisors is an integer number (577201).

2^2248009 is an apocalyptic number.

It is an amenable number.

2248009 is a deficient number, since it is larger than the sum of its proper divisors (60795).

2248009 is an equidigital number, since it uses as much as digits as its factorization.

2248009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60794.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 2248009 is about 1499.3361864505. The cubic root of 2248009 is about 130.9984072219.

The spelling of 2248009 in words is "two million, two hundred forty-eight thousand, nine".