2230340 has 48 divisors (see below), whose sum is σ = 5443200. Its totient is φ = 751872.

The previous prime is 2230339. The next prime is 2230351. The reversal of 2230340 is 430322.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12371 + ... + 12549.

It is an arithmetic number, because the mean of its divisors is an integer number (113400).

2^2230340 is an apocalyptic number.

2230340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2230340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2721600).

2230340 is an abundant number, since it is smaller than the sum of its proper divisors (3212860).

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

2230340 is a wasteful number, since it uses less digits than its factorization.

2230340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284 (or 282 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 2230340 is about 1493.4322883881. The cubic root of 2230340 is about 130.6542950710.

Adding to 2230340 its reverse (430322), we get a palindrome (2660662).

The spelling of 2230340 in words is "two million, two hundred thirty thousand, three hundred forty".