2302218 has 24 divisors (see below), whose sum is σ = 5054400. Its totient is φ = 757224.

The previous prime is 2302217. The next prime is 2302219. The reversal of 2302218 is 8122032.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2302217) and next prime (2302219).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 2302218.

It is not an unprimeable number, because it can be changed into a prime (2302217) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 613 + ... + 2231.

It is an arithmetic number, because the mean of its divisors is an integer number (210600).

2^2302218 is an apocalyptic number.

2302218 is an abundant number, since it is smaller than the sum of its proper divisors (2752182).

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

2302218 is a wasteful number, since it uses less digits than its factorization.

2302218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1706 (or 1703 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2302218 is about 1517.3061655447. The cubic root of 2302218 is about 132.0430300485.

The spelling of 2302218 in words is "two million, three hundred two thousand, two hundred eighteen".