2245648 has 40 divisors (see below), whose sum is σ = 4687200. Its totient is φ = 1039104.

The previous prime is 2245643. The next prime is 2245657. The reversal of 2245648 is 8465422.

It is not an unprimeable number, because it can be changed into a prime (2245643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25188 + ... + 25276.

It is an arithmetic number, because the mean of its divisors is an integer number (117180).

2^2245648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2245648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2343600).

2245648 is an abundant number, since it is smaller than the sum of its proper divisors (2441552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2245648 is a wasteful number, since it uses less digits than its factorization.

2245648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199 (or 193 counting only the distinct ones).

The product of its digits is 15360, while the sum is 31.

The square root of 2245648 is about 1498.5486311762. The cubic root of 2245648 is about 130.9525302436.

The spelling of 2245648 in words is "two million, two hundred forty-five thousand, six hundred forty-eight".