420032224 has 12 divisors (see below), whose sum is σ = 826938504. Its totient is φ = 210016096.

The previous prime is 420032191. The next prime is 420032227. The reversal of 420032224 is 422230024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420032227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6562972 + ... + 6563035.

It is an arithmetic number, because the mean of its divisors is an integer number (68911542).

Almost surely, 2^420032224 is an apocalyptic number.

It is an amenable number.

420032224 is a deficient number, since it is larger than the sum of its proper divisors (406906280).

420032224 is a wasteful number, since it uses less digits than its factorization.

420032224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13126017 (or 13126009 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 420032224 is about 20494.6877019388. The cubic root of 420032224 is about 748.9063907260.

Adding to 420032224 its reverse (422230024), we get a palindrome (842262248).

The spelling of 420032224 in words is "four hundred twenty million, thirty-two thousand, two hundred twenty-four".