2255528 has 48 divisors (see below), whose sum is σ = 4937760. Its totient is φ = 957600.

The previous prime is 2255507. The next prime is 2255549. The reversal of 2255528 is 8255522.

It is an interprime number because it is at equal distance from previous prime (2255507) and next prime (2255549).

It is a self number, because there is not a number n which added to its sum of digits gives 2255528.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31733 + ... + 31803.

It is an arithmetic number, because the mean of its divisors is an integer number (102870).

2^2255528 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 2255528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2468880).

2255528 is an abundant number, since it is smaller than the sum of its proper divisors (2682232).

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

2255528 is a wasteful number, since it uses less digits than its factorization.

2255528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126 (or 103 counting only the distinct ones).

The product of its digits is 8000, while the sum is 29.

The square root of 2255528 is about 1501.8415362481. The cubic root of 2255528 is about 131.1442964505.

The spelling of 2255528 in words is "two million, two hundred fifty-five thousand, five hundred twenty-eight".