2018224 has 40 divisors (see below), whose sum is σ = 4360832. Its totient is φ = 898560.

The previous prime is 2018183. The next prime is 2018249. The reversal of 2018224 is 4228102.

It is a super-2 number, since 2×2018224² = 8146456228352, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6292 + ... + 6604.

2^2018224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2018224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2180416).

2018224 is an abundant number, since it is smaller than the sum of its proper divisors (2342608).

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

2018224 is a wasteful number, since it uses less digits than its factorization.

2018224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365 (or 359 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 2018224 is about 1420.6421083440. The cubic root of 2018224 is about 126.3736285314.

The spelling of 2018224 in words is "two million, eighteen thousand, two hundred twenty-four".