2241609 has 4 divisors (see below), whose sum is σ = 2988816. Its totient is φ = 1494404.

The previous prime is 2241607. The next prime is 2241667. The reversal of 2241609 is 9061422.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2241609 - 2¹ = 2241607 is a prime.

It is a D-number.

2241609 is a lucky number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (2241607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 373599 + ... + 373604.

It is an arithmetic number, because the mean of its divisors is an integer number (747204).

2^2241609 is an apocalyptic number.

It is an amenable number.

2241609 is a deficient number, since it is larger than the sum of its proper divisors (747207).

2241609 is an equidigital number, since it uses as much as digits as its factorization.

2241609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747206.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 2241609 is about 1497.2003873897. The cubic root of 2241609 is about 130.8739731576.

It can be divided in two parts, 2241 and 609, that added together give a triangular number (2850 = T₇₅).

The spelling of 2241609 in words is "two million, two hundred forty-one thousand, six hundred nine".