2235648 has 72 divisors (see below), whose sum is σ = 6181056. Its totient is φ = 716800.

The previous prime is 2235647. The next prime is 2235661. The reversal of 2235648 is 8465322.

It is a d-powerful number, because it can be written as 2 + 2²¹ + 3¹⁰ + 5⁷ + 6⁴ + 4² + 8 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2235641) 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, 31453 + ... + 31523.

It is an arithmetic number, because the mean of its divisors is an integer number (85848).

2^2235648 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 2235648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3090528).

2235648 is an abundant number, since it is smaller than the sum of its proper divisors (3945408).

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

2235648 is an equidigital number, since it uses as much as digits as its factorization.

2235648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131 (or 117 counting only the distinct ones).

The product of its digits is 11520, while the sum is 30.

The square root of 2235648 is about 1495.2083466862. The cubic root of 2235648 is about 130.7578612775.

The spelling of 2235648 in words is "two million, two hundred thirty-five thousand, six hundred forty-eight".