2430241221 has 8 divisors (see below), whose sum is σ = 3244243104. Its totient is φ = 1618200080.

The previous prime is 2430241217. The next prime is 2430241283. The reversal of 2430241221 is 1221420342.

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 2430241221 - 2² = 2430241217 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2430248221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 487290 + ... + 492251.

It is an arithmetic number, because the mean of its divisors is an integer number (405530388).

Almost surely, 2^2430241221 is an apocalyptic number.

It is an amenable number.

2430241221 is a deficient number, since it is larger than the sum of its proper divisors (814001883).

2430241221 is an equidigital number, since it uses as much as digits as its factorization.

2430241221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980371.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2430241221 is about 49297.4768218415. The cubic root of 2430241221 is about 1344.4659084596.

Adding to 2430241221 its reverse (1221420342), we get a palindrome (3651661563).

The spelling of 2430241221 in words is "two billion, four hundred thirty million, two hundred forty-one thousand, two hundred twenty-one".