4221333312 has 56 divisors (see below), whose sum is σ = 12764511936. Its totient is φ = 1206094848.

The previous prime is 4221333307. The next prime is 4221333317. The reversal of 4221333312 is 2133331224.

It is an interprime number because it is at equal distance from previous prime (4221333307) and next prime (4221333317).

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4221333317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1569093 + ... + 1571780.

Almost surely, 2^4221333312 is an apocalyptic number.

4221333312 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

4221333312 is an abundant number, since it is smaller than the sum of its proper divisors (8543178624).

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

4221333312 is a wasteful number, since it uses less digits than its factorization.

4221333312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3140895 (or 3140885 counting only the distinct ones).

The product of its digits is 2592, while the sum is 24.

The square root of 4221333312 is about 64971.7885855084. The cubic root of 4221333312 is about 1616.1557621974.

Adding to 4221333312 its reverse (2133331224), we get a palindrome (6354664536).

The spelling of 4221333312 in words is "four billion, two hundred twenty-one million, three hundred thirty-three thousand, three hundred twelve".