4221425232 has 30 divisors (see below), whose sum is σ = 11814127962. Its totient is φ = 1407141696.

The previous prime is 4221425191. The next prime is 4221425291. The reversal of 4221425232 is 2325241224.

4221425232 is a `hidden beast` number, since 4 + 2 + 2 + 1 + 425 + 232 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4219281936 + 2143296 = 64956^2 + 1464^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4221425196 and 4221425205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14657583 + ... + 14657870.

Almost surely, 2^4221425232 is an apocalyptic number.

It is an amenable number.

4221425232 is an abundant number, since it is smaller than the sum of its proper divisors (7592702730).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4221425232 is a wasteful number, since it uses less digits than its factorization.

4221425232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29315467 (or 29315458 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 4221425232 is about 64972.4959656007. The cubic root of 4221425232 is about 1616.1674927691.

Adding to 4221425232 its reverse (2325241224), we get a palindrome (6546666456).

The spelling of 4221425232 in words is "four billion, two hundred twenty-one million, four hundred twenty-five thousand, two hundred thirty-two".