2201418 has 40 divisors (see below), whose sum is σ = 5018112. Its totient is φ = 721224.

The previous prime is 2201417. The next prime is 2201431. The reversal of 2201418 is 8141022.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 2201418.

It is not an unprimeable number, because it can be changed into a prime (2201417) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 17271 + ... + 17397.

2^2201418 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2201418, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2509056).

2201418 is an abundant number, since it is smaller than the sum of its proper divisors (2816694).

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

2201418 is a wasteful number, since it uses less digits than its factorization.

2201418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248 (or 239 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 2201418 is about 1483.7176281220. The cubic root of 2201418 is about 130.0870816940.

The spelling of 2201418 in words is "two million, two hundred one thousand, four hundred eighteen".