2293218 has 16 divisors (see below), whose sum is σ = 5096160. Its totient is φ = 764388.

The previous prime is 2293199. The next prime is 2293219. The reversal of 2293218 is 8123922.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 2293191 and 2293200.

It is not an unprimeable number, because it can be changed into a prime (2293219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21180 + ... + 21287.

It is an arithmetic number, because the mean of its divisors is an integer number (318510).

2^2293218 is an apocalyptic number.

2293218 is an abundant number, since it is smaller than the sum of its proper divisors (2802942).

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

2293218 is a wasteful number, since it uses less digits than its factorization.

2293218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42478 (or 42472 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 2293218 is about 1514.3374788996. The cubic root of 2293218 is about 131.8707412355.

The spelling of 2293218 in words is "two million, two hundred ninety-three thousand, two hundred eighteen".