2218230 has 72 divisors (see below), whose sum is σ = 6722352. Its totient is φ = 506016.

The previous prime is 2218219. The next prime is 2218277. The reversal of 2218230 is 328122.

It is a happy number.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4159 + ... + 4661.

It is an arithmetic number, because the mean of its divisors is an integer number (93366).

2^2218230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2218230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3361176).

2218230 is an abundant number, since it is smaller than the sum of its proper divisors (4504122).

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

2218230 is a wasteful number, since it uses less digits than its factorization.

2218230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530 (or 520 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2218230 is about 1489.3723510258. The cubic root of 2218230 is about 130.4173960883.

The spelling of 2218230 in words is "two million, two hundred eighteen thousand, two hundred thirty".