2430222221 has 8 divisors (see below), whose sum is σ = 2777748864. Its totient is φ = 2082783600.

The previous prime is 2430222211. The next prime is 2430222239. The reversal of 2430222221 is 1222220342.

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 2430222221 - 2¹⁴ = 2430205837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2430222193 and 2430222202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2430222211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55256 + ... + 88958.

It is an arithmetic number, because the mean of its divisors is an integer number (347218608).

Almost surely, 2^2430222221 is an apocalyptic number.

It is an amenable number.

2430222221 is a deficient number, since it is larger than the sum of its proper divisors (347526643).

2430222221 is a wasteful number, since it uses less digits than its factorization.

2430222221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44011.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2430222221 is about 49297.2841138333. The cubic root of 2430222221 is about 1344.4624047033.

Adding to 2430222221 its reverse (1222220342), we get a palindrome (3652442563).

The spelling of 2430222221 in words is "two billion, four hundred thirty million, two hundred twenty-two thousand, two hundred twenty-one".