2255558 has 8 divisors (see below), whose sum is σ = 3409560. Its totient is φ = 1119040.

The previous prime is 2255551. The next prime is 2255567. The reversal of 2255558 is 8555522.

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

It is a super-3 number, since 3×2255558³ = 34425737440203603336, which contains 333 as substring.

It is an Ulam number.

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 (2255551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4043 + ... + 4566.

It is an arithmetic number, because the mean of its divisors is an integer number (426195).

2^2255558 is an apocalyptic number.

2255558 is a deficient number, since it is larger than the sum of its proper divisors (1154002).

2255558 is a wasteful number, since it uses less digits than its factorization.

2255558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8742.

The product of its digits is 20000, while the sum is 32.

The square root of 2255558 is about 1501.8515239530. The cubic root of 2255558 is about 131.1448778829.

The spelling of 2255558 in words is "two million, two hundred fifty-five thousand, five hundred fifty-eight".