2382218 has 4 divisors (see below), whose sum is σ = 3573330. Its totient is φ = 1191108.

The previous prime is 2382217. The next prime is 2382221. The reversal of 2382218 is 8122832.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2380849 + 1369 = 1543^2 + 37^2 .

It is not an unprimeable number, because it can be changed into a prime (2382217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 595553 + ... + 595556.

2^2382218 is an apocalyptic number.

2382218 is a deficient number, since it is larger than the sum of its proper divisors (1191112).

2382218 is a wasteful number, since it uses less digits than its factorization.

2382218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1191111.

The product of its digits is 1536, while the sum is 26.

The square root of 2382218 is about 1543.4435525798. The cubic root of 2382218 is about 133.5551073067. Note that the first 3 decimals are identical.

The spelling of 2382218 in words is "two million, three hundred eighty-two thousand, two hundred eighteen".