2255788181 has 8 divisors (see below), whose sum is σ = 2365699200. Its totient is φ = 2146863312.

The previous prime is 2255788169. The next prime is 2255788217. The reversal of 2255788181 is 1818875522.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2255788181 - 2¹⁴ = 2255771797 is a prime.

It is a super-2 number, since 2×2255788181² = 10177160635078577522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2255788121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241850 + ... + 251003.

It is an arithmetic number, because the mean of its divisors is an integer number (295712400).

Almost surely, 2^2255788181 is an apocalyptic number.

It is an amenable number.

2255788181 is a deficient number, since it is larger than the sum of its proper divisors (109911019).

2255788181 is a wasteful number, since it uses less digits than its factorization.

2255788181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493075.

The product of its digits is 358400, while the sum is 47.

The square root of 2255788181 is about 47495.1384985874. The cubic root of 2255788181 is about 1311.4933886808.

The spelling of 2255788181 in words is "two billion, two hundred fifty-five million, seven hundred eighty-eight thousand, one hundred eighty-one".