332013221 has 8 divisors (see below), whose sum is σ = 336691200. Its totient is φ = 327347280.

The previous prime is 332013167. The next prime is 332013223. The reversal of 332013221 is 122310233.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-332013221 is a prime.

It is a super-2 number, since 2×332013221² = 220465557837589682, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 332013221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (332013223) 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, 62300 + ... + 67418.

It is an arithmetic number, because the mean of its divisors is an integer number (42086400).

Almost surely, 2^332013221 is an apocalyptic number.

It is an amenable number.

332013221 is a deficient number, since it is larger than the sum of its proper divisors (4677979).

332013221 is an equidigital number, since it uses as much as digits as its factorization.

332013221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6019.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 332013221 is about 18221.2299529971. The cubic root of 332013221 is about 692.4447485970. Note that the first 3 decimals are identical.

Adding to 332013221 its reverse (122310233), we get a palindrome (454323454).

The spelling of 332013221 in words is "three hundred thirty-two million, thirteen thousand, two hundred twenty-one".