424042330221 has 12 divisors (see below), whose sum is σ = 612511498560. Its totient is φ = 282692158920.

The previous prime is 424042330189. The next prime is 424042330223. The reversal of 424042330221 is 122033240424.

424042330221 is a `hidden beast` number, since 4 + 2 + 404 + 2 + 3 + 30 + 221 = 666.

It is not a de Polignac number, because 424042330221 - 2⁵ = 424042330189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424042330223) 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, 1290690 + ... + 1585548.

It is an arithmetic number, because the mean of its divisors is an integer number (51042624880).

Almost surely, 2^424042330221 is an apocalyptic number.

It is an amenable number.

424042330221 is a deficient number, since it is larger than the sum of its proper divisors (188469168339).

424042330221 is a wasteful number, since it uses less digits than its factorization.

424042330221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454656 (or 454653 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 424042330221 its reverse (122033240424), we get a palindrome (546075570645).

The spelling of 424042330221 in words is "four hundred twenty-four billion, forty-two million, three hundred thirty thousand, two hundred twenty-one".