2203648 has 28 divisors (see below), whose sum is σ = 4423410. Its totient is φ = 1097728.

The previous prime is 2203637. The next prime is 2203657. The reversal of 2203648 is 8463022.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2166784 + 36864 = 1472^2 + 192^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8058 + ... + 8326.

2^2203648 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 2203648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2211705).

2203648 is an abundant number, since it is smaller than the sum of its proper divisors (2219762).

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

2203648 is an frugal number, since it uses more digits than its factorization.

2203648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295 (or 271 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 2203648 is about 1484.4689286071. The cubic root of 2203648 is about 130.1309922240.

The spelling of 2203648 in words is "two million, two hundred three thousand, six hundred forty-eight".