2241240 has 64 divisors (see below), whose sum is σ = 7084800. Its totient is φ = 565632.

The previous prime is 2241209. The next prime is 2241247. The reversal of 2241240 is 421422.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2241247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1789 + ... + 2771.

It is an arithmetic number, because the mean of its divisors is an integer number (110700).

2^2241240 is an apocalyptic number.

2241240 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 2241240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3542400).

2241240 is an abundant number, since it is smaller than the sum of its proper divisors (4843560).

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

2241240 is a wasteful number, since it uses less digits than its factorization.

2241240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016 (or 1012 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 2241240 is about 1497.0771523205. The cubic root of 2241240 is about 130.8667915385.

Adding to 2241240 its reverse (421422), we get a palindrome (2662662).

The spelling of 2241240 in words is "two million, two hundred forty-one thousand, two hundred forty".