2241811 has 16 divisors (see below), whose sum is σ = 2687328. Its totient is φ = 1843200.

The previous prime is 2241809. The next prime is 2241851. The reversal of 2241811 is 1181422.

It is a happy number.

It is a 13-Lehmer number, since φ(2241811) divides (2241811-1)¹³.

It is a cyclic number.

It is not a de Polignac number, because 2241811 - 2¹ = 2241809 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2241851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8595 + ... + 8851.

It is an arithmetic number, because the mean of its divisors is an integer number (167958).

2^2241811 is an apocalyptic number.

2241811 is a deficient number, since it is larger than the sum of its proper divisors (445517).

2241811 is a wasteful number, since it uses less digits than its factorization.

2241811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342.

The product of its digits is 128, while the sum is 19.

The square root of 2241811 is about 1497.2678451099. The cubic root of 2241811 is about 130.8779042251.

The spelling of 2241811 in words is "two million, two hundred forty-one thousand, eight hundred eleven".