2241161 has 8 divisors (see below), whose sum is σ = 2555784. Its totient is φ = 1946880.

The previous prime is 2241139. The next prime is 2241163. The reversal of 2241161 is 1611422.

2241161 = 281² + 282² + ... + 306².

It can be written as a sum of positive squares in 4 ways, for example, as 65536 + 2175625 = 256^2 + 1475^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2241161 - 2¹⁰ = 2240137 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2241163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4850 + ... + 5291.

It is an arithmetic number, because the mean of its divisors is an integer number (319473).

2^2241161 is an apocalyptic number.

It is an amenable number.

2241161 is a deficient number, since it is larger than the sum of its proper divisors (314623).

2241161 is a wasteful number, since it uses less digits than its factorization.

2241161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10171.

The product of its digits is 96, while the sum is 17.

The square root of 2241161 is about 1497.0507673422. The cubic root of 2241161 is about 130.8652539079.

Adding to 2241161 its reverse (1611422), we get a palindrome (3852583).

The spelling of 2241161 in words is "two million, two hundred forty-one thousand, one hundred sixty-one".