430222221 has 48 divisors (see below), whose sum is σ = 755314560. Its totient is φ = 232364160.

The previous prime is 430222217. The next prime is 430222223. The reversal of 430222221 is 122222034.

It is not a de Polignac number, because 430222221 - 2² = 430222217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 430222194 and 430222203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (430222223) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31560 + ... + 43086.

It is an arithmetic number, because the mean of its divisors is an integer number (15735720).

Almost surely, 2^430222221 is an apocalyptic number.

It is an amenable number.

430222221 is a deficient number, since it is larger than the sum of its proper divisors (325092339).

430222221 is a wasteful number, since it uses less digits than its factorization.

430222221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11586 (or 11583 counting only the distinct ones).

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

The square root of 430222221 is about 20741.7988853426. The cubic root of 430222221 is about 754.9142314453.

Adding to 430222221 its reverse (122222034), we get a palindrome (552444255).

The spelling of 430222221 in words is "four hundred thirty million, two hundred twenty-two thousand, two hundred twenty-one".