2422218 has 8 divisors (see below), whose sum is σ = 4844448. Its totient is φ = 807404.

The previous prime is 2422207. The next prime is 2422223. The reversal of 2422218 is 8122242.

It is a happy number.

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

2422218 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 2422194 and 2422203.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201846 + ... + 201857.

It is an arithmetic number, because the mean of its divisors is an integer number (605556).

2^2422218 is an apocalyptic number.

2422218 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2422218 is a wasteful number, since it uses less digits than its factorization.

2422218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403708.

The product of its digits is 512, while the sum is 21.

The square root of 2422218 is about 1556.3476475389. The cubic root of 2422218 is about 134.2984733183.

The spelling of 2422218 in words is "two million, four hundred twenty-two thousand, two hundred eighteen".