232420221424 has 40 divisors (see below), whose sum is σ = 453022857360. Its totient is φ = 115511413248.

The previous prime is 232420221413. The next prime is 232420221431. The reversal of 232420221424 is 424122024232.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 232420221392 and 232420221401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17512039 + ... + 17525305.

It is an arithmetic number, because the mean of its divisors is an integer number (11325571434).

Almost surely, 2^232420221424 is an apocalyptic number.

It is an amenable number.

232420221424 is a deficient number, since it is larger than the sum of its proper divisors (220602635936).

232420221424 is a wasteful number, since it uses less digits than its factorization.

232420221424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19777 (or 19771 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 232420221424 its reverse (424122024232), we get a palindrome (656542245656).

The spelling of 232420221424 in words is "two hundred thirty-two billion, four hundred twenty million, two hundred twenty-one thousand, four hundred twenty-four".