2242409 has 8 divisors (see below), whose sum is σ = 2430792. Its totient is φ = 2056320.

The previous prime is 2242381. The next prime is 2242433. The reversal of 2242409 is 9042422.

2242409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 75625 + 2166784 = 275^2 + 1472^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2242409 - 2¹⁶ = 2176873 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2242469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1877 + ... + 2829.

It is an arithmetic number, because the mean of its divisors is an integer number (303849).

2^2242409 is an apocalyptic number.

It is an amenable number.

2242409 is a deficient number, since it is larger than the sum of its proper divisors (188383).

2242409 is a wasteful number, since it uses less digits than its factorization.

2242409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1147.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 2242409 is about 1497.4675288633. The cubic root of 2242409 is about 130.8895403575.

The spelling of 2242409 in words is "two million, two hundred forty-two thousand, four hundred nine".