2245218 has 8 divisors (see below), whose sum is σ = 4490448. Its totient is φ = 748404.

The previous prime is 2245189. The next prime is 2245223. The reversal of 2245218 is 8125422.

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

2245218 is an admirable number.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187096 + ... + 187107.

It is an arithmetic number, because the mean of its divisors is an integer number (561306).

2^2245218 is an apocalyptic number.

2245218 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2245218 is a wasteful number, since it uses less digits than its factorization.

2245218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374208.

The product of its digits is 1280, while the sum is 24.

The square root of 2245218 is about 1498.4051521534. The cubic root of 2245218 is about 130.9441713820.

The spelling of 2245218 in words is "two million, two hundred forty-five thousand, two hundred eighteen".