4312221236 has 48 divisors (see below), whose sum is σ = 8063193600. Its totient is φ = 2014349568.

The previous prime is 4312221229. The next prime is 4312221257. The reversal of 4312221236 is 6321222134.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 480785 + ... + 489671.

It is an arithmetic number, because the mean of its divisors is an integer number (167983200).

Almost surely, 2^4312221236 is an apocalyptic number.

It is an amenable number.

4312221236 is a deficient number, since it is larger than the sum of its proper divisors (3750972364).

4312221236 is a wasteful number, since it uses less digits than its factorization.

4312221236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9056 (or 9054 counting only the distinct ones).

The product of its digits is 3456, while the sum is 26.

The square root of 4312221236 is about 65667.5051756955. The cubic root of 4312221236 is about 1627.6724449513.

The spelling of 4312221236 in words is "four billion, three hundred twelve million, two hundred twenty-one thousand, two hundred thirty-six".