332043221 has 4 divisors (see below), whose sum is σ = 349519200. Its totient is φ = 314567244.

The previous prime is 332043197. The next prime is 332043253. The reversal of 332043221 is 122340233.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 332043221 - 2¹⁰ = 332042197 is a prime.

It is a super-2 number, since 2×332043221² = 220505401224109682, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 332043193 and 332043202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (332043281) 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, 8737961 + ... + 8737998.

It is an arithmetic number, because the mean of its divisors is an integer number (87379800).

Almost surely, 2^332043221 is an apocalyptic number.

It is an amenable number.

332043221 is a deficient number, since it is larger than the sum of its proper divisors (17475979).

332043221 is a wasteful number, since it uses less digits than its factorization.

332043221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17475978.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 332043221 is about 18222.0531499609. The cubic root of 332043221 is about 692.4656039079.

Adding to 332043221 its reverse (122340233), we get a palindrome (454383454).

The spelling of 332043221 in words is "three hundred thirty-two million, forty-three thousand, two hundred twenty-one".