2255218 has 8 divisors (see below), whose sum is σ = 3866112. Its totient is φ = 966516.

The previous prime is 2255191. The next prime is 2255233. The reversal of 2255218 is 8125522.

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

It is a junction number, because it is equal to n+sod(n) for n = 2255192 and 2255201.

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, 80530 + ... + 80557.

It is an arithmetic number, because the mean of its divisors is an integer number (483264).

2^2255218 is an apocalyptic number.

2255218 is a deficient number, since it is larger than the sum of its proper divisors (1610894).

2255218 is a wasteful number, since it uses less digits than its factorization.

2255218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161096.

The product of its digits is 1600, while the sum is 25.

The square root of 2255218 is about 1501.7383260742. The cubic root of 2255218 is about 131.1382880133.

The spelling of 2255218 in words is "two million, two hundred fifty-five thousand, two hundred eighteen".