4221433528 has 32 divisors (see below), whose sum is σ = 8972686800. Its totient is φ = 1845808128.

The previous prime is 4221433519. The next prime is 4221433549. The reversal of 4221433528 is 8253341224.

It is a junction number, because it is equal to n+sod(n) for n = 4221433493 and 4221433502.

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, 1066201 + ... + 1070152.

Almost surely, 2^4221433528 is an apocalyptic number.

It is an amenable number.

4221433528 is an abundant number, since it is smaller than the sum of its proper divisors (4751253272).

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

4221433528 is a wasteful number, since it uses less digits than its factorization.

4221433528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2136391 (or 2136387 counting only the distinct ones).

The product of its digits is 46080, while the sum is 34.

The square root of 4221433528 is about 64972.5598079682. The cubic root of 4221433528 is about 1616.1685514729.

The spelling of 4221433528 in words is "four billion, two hundred twenty-one million, four hundred thirty-three thousand, five hundred twenty-eight".