2244540 has 24 divisors (see below), whose sum is σ = 6284880. Its totient is φ = 598528.

The previous prime is 2244533. The next prime is 2244553. The reversal of 2244540 is 454422.

It is a congruent number.

It is an unprimeable number.

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, 18645 + ... + 18764.

It is an arithmetic number, because the mean of its divisors is an integer number (261870).

2^2244540 is an apocalyptic number.

2244540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2244540 is an abundant number, since it is smaller than the sum of its proper divisors (4040340).

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

2244540 is a wasteful number, since it uses less digits than its factorization.

2244540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37421 (or 37419 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 2244540 is about 1498.1788945249. The cubic root of 2244540 is about 130.9309894272.

Adding to 2244540 its reverse (454422), we get a palindrome (2698962).

The spelling of 2244540 in words is "two million, two hundred forty-four thousand, five hundred forty".