2255178 has 16 divisors (see below), whose sum is σ = 4615776. Its totient is φ = 734160.

The previous prime is 2255161. The next prime is 2255191. The reversal of 2255178 is 8715522.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4113 + ... + 4628.

It is an arithmetic number, because the mean of its divisors is an integer number (288486).

2^2255178 is an apocalyptic number.

2255178 is an abundant number, since it is smaller than the sum of its proper divisors (2360598).

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

2255178 is a wasteful number, since it uses less digits than its factorization.

2255178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8789.

The product of its digits is 5600, while the sum is 30.

The square root of 2255178 is about 1501.7250081157. The cubic root of 2255178 is about 131.1375126910.

The spelling of 2255178 in words is "two million, two hundred fifty-five thousand, one hundred seventy-eight".