2255500 has 48 divisors (see below), whose sum is σ = 5320224. Its totient is φ = 830400.

The previous prime is 2255489. The next prime is 2255501. The reversal of 2255500 is 55522.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (2255501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6327 + ... + 6673.

It is an arithmetic number, because the mean of its divisors is an integer number (110838).

2^2255500 is an apocalyptic number.

2255500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2255500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2660112).

2255500 is an abundant number, since it is smaller than the sum of its proper divisors (3064724).

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

2255500 is a wasteful number, since it uses less digits than its factorization.

2255500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379 (or 367 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 19.

The square root of 2255500 is about 1501.8322143302. The cubic root of 2255500 is about 131.1437537755.

The spelling of 2255500 in words is "two million, two hundred fifty-five thousand, five hundred".