4221331284 has 12 divisors (see below), whose sum is σ = 9849773024. Its totient is φ = 1407110424.

The previous prime is 4221331277. The next prime is 4221331291. The reversal of 4221331284 is 4821331224.

It is an interprime number because it is at equal distance from previous prime (4221331277) and next prime (4221331291).

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 175888792 + ... + 175888815.

Almost surely, 2^4221331284 is an apocalyptic number.

It is an amenable number.

4221331284 is an abundant number, since it is smaller than the sum of its proper divisors (5628441740).

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

4221331284 is a wasteful number, since it uses less digits than its factorization.

4221331284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351777614 (or 351777612 counting only the distinct ones).

The product of its digits is 9216, while the sum is 30.

The square root of 4221331284 is about 64971.7729787328. The cubic root of 4221331284 is about 1616.1555033878.

The spelling of 4221331284 in words is "four billion, two hundred twenty-one million, three hundred thirty-one thousand, two hundred eighty-four".