2273648 has 40 divisors (see below), whose sum is σ = 5030928. Its totient is φ = 986112.

The previous prime is 2273603. The next prime is 2273651. The reversal of 2273648 is 8463722.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3215 + ... + 3857.

2^2273648 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 2273648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2515464).

2273648 is an abundant number, since it is smaller than the sum of its proper divisors (2757280).

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

2273648 is a wasteful number, since it uses less digits than its factorization.

2273648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681 (or 675 counting only the distinct ones).

The product of its digits is 16128, while the sum is 32.

The square root of 2273648 is about 1507.8620626569. The cubic root of 2273648 is about 131.4945469458.

The spelling of 2273648 in words is "two million, two hundred seventy-three thousand, six hundred forty-eight".