2218430 has 16 divisors (see below), whose sum is σ = 4020624. Its totient is φ = 881280.

The previous prime is 2218429. The next prime is 2218439. The reversal of 2218430 is 348122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2218439) 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, 950 + ... + 2310.

It is an arithmetic number, because the mean of its divisors is an integer number (251289).

2^2218430 is an apocalyptic number.

2218430 is a deficient number, since it is larger than the sum of its proper divisors (1802194).

2218430 is a wasteful number, since it uses less digits than its factorization.

2218430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1531.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2218430 is about 1489.4394918895. The cubic root of 2218430 is about 130.4213155339.

The spelling of 2218430 in words is "two million, two hundred eighteen thousand, four hundred thirty".