2248728 has 32 divisors (see below), whose sum is σ = 5755200. Its totient is φ = 731808.

The previous prime is 2248723. The next prime is 2248739. The reversal of 2248728 is 8278422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2248723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58 + ... + 2121.

It is an arithmetic number, because the mean of its divisors is an integer number (179850).

2^2248728 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 2248728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2877600).

2248728 is an abundant number, since it is smaller than the sum of its proper divisors (3506472).

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

2248728 is a wasteful number, since it uses less digits than its factorization.

2248728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2231 (or 2227 counting only the distinct ones).

The product of its digits is 14336, while the sum is 33.

The square root of 2248728 is about 1499.5759400577. The cubic root of 2248728 is about 131.0123718479.

The spelling of 2248728 in words is "two million, two hundred forty-eight thousand, seven hundred twenty-eight".