2255858 has 8 divisors (see below), whose sum is σ = 3691440. Its totient is φ = 1025380.

The previous prime is 2255837. The next prime is 2255867. The reversal of 2255858 is 8585522.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51248 + ... + 51291.

It is an arithmetic number, because the mean of its divisors is an integer number (461430).

2^2255858 is an apocalyptic number.

2255858 is a deficient number, since it is larger than the sum of its proper divisors (1435582).

2255858 is a wasteful number, since it uses less digits than its factorization.

2255858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102552.

The product of its digits is 32000, while the sum is 35.

The square root of 2255858 is about 1501.9513973495. The cubic root of 2255858 is about 131.1506919238.

It can be divided in two parts, 2255 and 858, that added together give a palindrome (3113).

The spelling of 2255858 in words is "two million, two hundred fifty-five thousand, eight hundred fifty-eight".