2122241 has 4 divisors (see below), whose sum is σ = 2315184. Its totient is φ = 1929300.

The previous prime is 2122231. The next prime is 2122259. The reversal of 2122241 is 1422212.

Added to its reverse (1422212) it gives a triangular number (3544453 = T₂₆₆₂).

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 2122241 - 2¹⁸ = 1860097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2122231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96455 + ... + 96476.

It is an arithmetic number, because the mean of its divisors is an integer number (578796).

2^2122241 is an apocalyptic number.

It is an amenable number.

2122241 is a deficient number, since it is larger than the sum of its proper divisors (192943).

2122241 is a wasteful number, since it uses less digits than its factorization.

2122241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192942.

The product of its digits is 64, while the sum is 14.

The square root of 2122241 is about 1456.7913371516. The cubic root of 2122241 is about 128.5084149183.

Adding to 2122241 its reverse (1422212), we get a palindrome (3544453).

It can be divided in two parts, 21 and 22241, that multiplied together give a triangular number (467061 = T₉₆₆).

The spelling of 2122241 in words is "two million, one hundred twenty-two thousand, two hundred forty-one".