2340220 has 24 divisors (see below), whose sum is σ = 5204304. Its totient is φ = 880896.

The previous prime is 2340209. The next prime is 2340223. The reversal of 2340220 is 220432.

It is a self number, because there is not a number n which added to its sum of digits gives 2340220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2340223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3102 + ... + 3781.

It is an arithmetic number, because the mean of its divisors is an integer number (216846).

2^2340220 is an apocalyptic number.

2340220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2340220 is an abundant number, since it is smaller than the sum of its proper divisors (2864084).

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

2340220 is a wasteful number, since it uses less digits than its factorization.

2340220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6909 (or 6907 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 2340220 is about 1529.7777616373. Note that the first 4 decimals coincide. The cubic root of 2340220 is about 132.7655999107.

Adding to 2340220 its reverse (220432), we get a palindrome (2560652).

The spelling of 2340220 in words is "two million, three hundred forty thousand, two hundred twenty".