2255526 has 112 divisors (see below), whose sum is σ = 6610464. Its totient is φ = 559872.

The previous prime is 2255507. The next prime is 2255549. The reversal of 2255526 is 6255522.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2255526.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 132670 + ... + 132686.

It is an arithmetic number, because the mean of its divisors is an integer number (59022).

2^2255526 is an apocalyptic number.

2255526 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2255526, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3305232).

2255526 is an abundant number, since it is smaller than the sum of its proper divisors (4354938).

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

2255526 is a wasteful number, since it uses less digits than its factorization.

2255526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57 (or 42 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 2255526 is about 1501.8408703987. The cubic root of 2255526 is about 131.1442576881.

2255526 divided by its sum of digits (27) gives a palindrome (83538).

The spelling of 2255526 in words is "two million, two hundred fifty-five thousand, five hundred twenty-six".