2241761 has 4 divisors (see below), whose sum is σ = 2250132. Its totient is φ = 2233392.

The previous prime is 2241751. The next prime is 2241779. The reversal of 2241761 is 1671422.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 664225 + 1577536 = 815^2 + 1256^2 .

It is a cyclic number.

It is not a de Polignac number, because 2241761 - 2⁶ = 2241697 is a prime.

It is a super-2 number, since 2×2241761² = 10050984762242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2241721) 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, 3770 + ... + 4323.

It is an arithmetic number, because the mean of its divisors is an integer number (562533).

2^2241761 is an apocalyptic number.

It is an amenable number.

2241761 is a deficient number, since it is larger than the sum of its proper divisors (8371).

2241761 is an equidigital number, since it uses as much as digits as its factorization.

2241761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8370.

The product of its digits is 672, while the sum is 23.

The square root of 2241761 is about 1497.2511479374. The cubic root of 2241761 is about 130.8769312106.

The spelling of 2241761 in words is "two million, two hundred forty-one thousand, seven hundred sixty-one".