4243221552 has 40 divisors (see below), whose sum is σ = 11168486064. Its totient is φ = 1387719424.

The previous prime is 4243221547. The next prime is 4243221559. The reversal of 4243221552 is 2551223424.

It is not an unprimeable number, because it can be changed into a prime (4243221559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 831423 + ... + 836510.

Almost surely, 2^4243221552 is an apocalyptic number.

It is an amenable number.

4243221552 is an abundant number, since it is smaller than the sum of its proper divisors (6925264512).

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

4243221552 is a wasteful number, since it uses less digits than its factorization.

4243221552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1667997 (or 1667991 counting only the distinct ones).

The product of its digits is 19200, while the sum is 30.

The square root of 4243221552 is about 65140.0149831116. The cubic root of 4243221552 is about 1618.9442839671.

Adding to 4243221552 its reverse (2551223424), we get a palindrome (6794444976).

The spelling of 4243221552 in words is "four billion, two hundred forty-three million, two hundred twenty-one thousand, five hundred fifty-two".