2242321 has 4 divisors (see below), whose sum is σ = 2294512. Its totient is φ = 2190132.

The previous prime is 2242319. The next prime is 2242337. The reversal of 2242321 is 1232422.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1232422 = 2 ⋅616211.

It is a cyclic number.

It is not a de Polignac number, because 2242321 - 2¹ = 2242319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2242295 and 2242304.

It is not an unprimeable number, because it can be changed into a prime (2242381) 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, 26031 + ... + 26116.

It is an arithmetic number, because the mean of its divisors is an integer number (573628).

2^2242321 is an apocalyptic number.

It is an amenable number.

2242321 is a deficient number, since it is larger than the sum of its proper divisors (52191).

2242321 is an equidigital number, since it uses as much as digits as its factorization.

2242321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52190.

The product of its digits is 192, while the sum is 16.

The square root of 2242321 is about 1497.4381456341. The cubic root of 2242321 is about 130.8878281468.

Adding to 2242321 its reverse (1232422), we get a palindrome (3474743).

The spelling of 2242321 in words is "two million, two hundred forty-two thousand, three hundred twenty-one".