2442321 has 12 divisors (see below), whose sum is σ = 4031872. Its totient is φ = 1395576.

The previous prime is 2442311. The next prime is 2442353. The reversal of 2442321 is 1232442.

It is not a de Polignac number, because 2442321 - 2⁵ = 2442289 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2442294 and 2442303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2442311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19321 + ... + 19446.

2^2442321 is an apocalyptic number.

2442321 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2442321 is a deficient number, since it is larger than the sum of its proper divisors (1589551).

2442321 is a wasteful number, since it uses less digits than its factorization.

2442321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38780 (or 38777 counting only the distinct ones).

The product of its digits is 384, while the sum is 18.

The square root of 2442321 is about 1562.7926925859. The cubic root of 2442321 is about 134.6689832570.

Adding to 2442321 its reverse (1232442), we get a palindrome (3674763).

The spelling of 2442321 in words is "two million, four hundred forty-two thousand, three hundred twenty-one".