332221312 has 16 divisors (see below), whose sum is σ = 661847400. Its totient is φ = 166110592.

The previous prime is 332221249. The next prime is 332221349. The reversal of 332221312 is 213122233.

332221312 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×332221312² = 220742000294002688, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 332221312.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1297612 + ... + 1297867.

Almost surely, 2^332221312 is an apocalyptic number.

332221312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

332221312 is a deficient number, since it is larger than the sum of its proper divisors (329626088).

332221312 is an equidigital number, since it uses as much as digits as its factorization.

332221312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2595493 (or 2595481 counting only the distinct ones).

The product of its digits is 432, while the sum is 19.

The square root of 332221312 is about 18226.9391835272. The cubic root of 332221312 is about 692.5893828246.

Adding to 332221312 its reverse (213122233), we get a palindrome (545343545).

The spelling of 332221312 in words is "three hundred thirty-two million, two hundred twenty-one thousand, three hundred twelve".