2421042241 has 4 divisors (see below), whose sum is σ = 2443668912. Its totient is φ = 2398415572.

The previous prime is 2421042227. The next prime is 2421042259. The reversal of 2421042241 is 1422401242.

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: 1422401242 = 2 ⋅711200621.

It is a cyclic number.

It is not a de Polignac number, because 2421042241 - 2⁹ = 2421041729 is a prime.

It is a super-2 number, since 2×2421042241² = 11722891065412604162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2421042271) 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 3 ways as a sum of consecutive naturals, for example, 11313175 + ... + 11313388.

It is an arithmetic number, because the mean of its divisors is an integer number (610917228).

Almost surely, 2^2421042241 is an apocalyptic number.

It is an amenable number.

2421042241 is a deficient number, since it is larger than the sum of its proper divisors (22626671).

2421042241 is a wasteful number, since it uses less digits than its factorization.

2421042241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22626670.

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 2421042241 is about 49204.0876452353. The cubic root of 2421042241 is about 1342.7674004261.

Adding to 2421042241 its reverse (1422401242), we get a palindrome (3843443483).

The spelling of 2421042241 in words is "two billion, four hundred twenty-one million, forty-two thousand, two hundred forty-one".