332244221 has 4 divisors (see below), whose sum is σ = 332828700. Its totient is φ = 331659744.

The previous prime is 332244193. The next prime is 332244239. The reversal of 332244221 is 122442233.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 178756900 + 153487321 = 13370^2 + 12389^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-332244221 is a prime.

It is a super-2 number, since 2×332244221² = 220772444775793682, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (332247221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 291386 + ... + 292523.

It is an arithmetic number, because the mean of its divisors is an integer number (83207175).

Almost surely, 2^332244221 is an apocalyptic number.

It is an amenable number.

332244221 is a deficient number, since it is larger than the sum of its proper divisors (584479).

332244221 is an equidigital number, since it uses as much as digits as its factorization.

332244221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584478.

The product of its digits is 2304, while the sum is 23.

The square root of 332244221 is about 18227.5676106276. The cubic root of 332244221 is about 692.6053020978.

Adding to 332244221 its reverse (122442233), we get a palindrome (454686454).

The spelling of 332244221 in words is "three hundred thirty-two million, two hundred forty-four thousand, two hundred twenty-one".