4245221332 has 12 divisors (see below), whose sum is σ = 8104513536. Its totient is φ = 1929646040.

The previous prime is 4245221327. The next prime is 4245221339. The reversal of 4245221332 is 2331225424.

It is a self number, because there is not a number n which added to its sum of digits gives 4245221332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4245221339) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 48241108 + ... + 48241195.

It is an arithmetic number, because the mean of its divisors is an integer number (675376128).

Almost surely, 2^4245221332 is an apocalyptic number.

It is an amenable number.

4245221332 is a deficient number, since it is larger than the sum of its proper divisors (3859292204).

4245221332 is a wasteful number, since it uses less digits than its factorization.

4245221332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96482318 (or 96482316 counting only the distinct ones).

The product of its digits is 11520, while the sum is 28.

The square root of 4245221332 is about 65155.3630332914. The cubic root of 4245221332 is about 1619.1985737711.

Adding to 4245221332 its reverse (2331225424), we get a palindrome (6576446756).

The spelling of 4245221332 in words is "four billion, two hundred forty-five million, two hundred twenty-one thousand, three hundred thirty-two".