2241840 has 40 divisors (see below), whose sum is σ = 6950448. Its totient is φ = 597760.

The previous prime is 2241809. The next prime is 2241851. The reversal of 2241840 is 481422.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4431 + ... + 4910.

2^2241840 is an apocalyptic number.

2241840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2241840 is an abundant number, since it is smaller than the sum of its proper divisors (4708608).

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

2241840 is a wasteful number, since it uses less digits than its factorization.

2241840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9357 (or 9351 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 2241840 is about 1497.2775293846. The cubic root of 2241840 is about 130.8784685669.

It can be divided in two parts, 2241 and 840, that added together give a triangular number (3081 = T₇₈).

The spelling of 2241840 in words is "two million, two hundred forty-one thousand, eight hundred forty".