4221511320 has 64 divisors (see below), whose sum is σ = 13638733920. Its totient is φ = 1039140864.

The previous prime is 4221511319. The next prime is 4221511363. The reversal of 4221511320 is 231151224.

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 15 ways as a sum of consecutive naturals, for example, 1351489 + ... + 1354608.

Almost surely, 2^4221511320 is an apocalyptic number.

4221511320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4221511320 is an abundant number, since it is smaller than the sum of its proper divisors (9417222600).

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

4221511320 is a wasteful number, since it uses less digits than its factorization.

4221511320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2706124 (or 2706120 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 4221511320 is about 64973.1584579355. The cubic root of 4221511320 is about 1616.1784789229.

Adding to 4221511320 its reverse (231151224), we get a palindrome (4452662544).

It can be divided in two parts, 42215 and 11320, that added together give a palindrome (53535).

The spelling of 4221511320 in words is "four billion, two hundred twenty-one million, five hundred eleven thousand, three hundred twenty".