332221220021 has 8 divisors (see below), whose sum is σ = 336463082880. Its totient is φ = 327980270592.

The previous prime is 332221220017. The next prime is 332221220027. The reversal of 332221220021 is 120022122233.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 332221220021 - 2² = 332221220017 is a prime.

It is a super-2 number, since 2×332221220021² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 332221219975 and 332221220002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (332221220027) 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, 519221 + ... + 966453.

It is an arithmetic number, because the mean of its divisors is an integer number (42057885360).

Almost surely, 2^332221220021 is an apocalyptic number.

It is an amenable number.

332221220021 is a deficient number, since it is larger than the sum of its proper divisors (4241862859).

332221220021 is an equidigital number, since it uses as much as digits as its factorization.

332221220021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456715.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 332221220021 its reverse (120022122233), we get a palindrome (452243342254).

The spelling of 332221220021 in words is "three hundred thirty-two billion, two hundred twenty-one million, two hundred twenty thousand, twenty-one".