2212418 has 8 divisors (see below), whose sum is σ = 3573948. Its totient is φ = 1021104.

The previous prime is 2212391. The next prime is 2212421. The reversal of 2212418 is 8142122.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2024929 + 187489 = 1423^2 + 433^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 2212418.

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, 42521 + ... + 42572.

2^2212418 is an apocalyptic number.

2212418 is a deficient number, since it is larger than the sum of its proper divisors (1361530).

2212418 is a wasteful number, since it uses less digits than its factorization.

2212418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85108.

The product of its digits is 256, while the sum is 20.

The square root of 2212418 is about 1487.4199138105. The cubic root of 2212418 is about 130.3033939526.

The spelling of 2212418 in words is "two million, two hundred twelve thousand, four hundred eighteen".