2255568 has 80 divisors (see below), whose sum is σ = 6844800. Its totient is φ = 639744.

The previous prime is 2255567. The next prime is 2255569. The reversal of 2255568 is 8655522.

It is an interprime number because it is at equal distance from previous prime (2255567) and next prime (2255569).

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2255567) 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, 16396 + ... + 16532.

It is an arithmetic number, because the mean of its divisors is an integer number (85560).

2^2255568 is an apocalyptic number.

2255568 is a gapful number since it is divisible by the number (28) 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 2255568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3422400).

2255568 is an abundant number, since it is smaller than the sum of its proper divisors (4589232).

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

2255568 is a wasteful number, since it uses less digits than its factorization.

2255568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169 (or 149 counting only the distinct ones).

The product of its digits is 24000, while the sum is 33.

The square root of 2255568 is about 1501.8548531732. The cubic root of 2255568 is about 131.1450716926.

The spelling of 2255568 in words is "two million, two hundred fifty-five thousand, five hundred sixty-eight".