2241643 has 6 divisors (see below), whose sum is σ = 2275124. Its totient is φ = 2208624.

The previous prime is 2241607. The next prime is 2241667. The reversal of 2241643 is 3461422.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-2241643 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (2241443) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7780 + ... + 8062.

2^2241643 is an apocalyptic number.

2241643 is a deficient number, since it is larger than the sum of its proper divisors (33481).

2241643 is an frugal number, since it uses more digits than its factorization.

2241643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461 (or 372 counting only the distinct ones).

The product of its digits is 1152, while the sum is 22.

The square root of 2241643 is about 1497.2117418722. The cubic root of 2241643 is about 130.8746348390.

The spelling of 2241643 in words is "two million, two hundred forty-one thousand, six hundred forty-three".