332212312221 has 16 divisors (see below), whose sum is σ = 449421654528. Its totient is φ = 218242161200.

The previous prime is 332212312207. The next prime is 332212312253. The reversal of 332212312221 is 122213212233.

It is a cyclic number.

It is not a de Polignac number, because 332212312221 - 2¹⁴ = 332212295837 is a prime.

It is a super-2 number, since 2×332212312221² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 332212312191 and 332212312200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (332212312721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7450 + ... + 815156.

It is an arithmetic number, because the mean of its divisors is an integer number (28088853408).

Almost surely, 2^332212312221 is an apocalyptic number.

It is an amenable number.

332212312221 is a deficient number, since it is larger than the sum of its proper divisors (117209342307).

332212312221 is a wasteful number, since it uses less digits than its factorization.

332212312221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809712.

The product of its digits is 1728, while the sum is 24.

Adding to 332212312221 its reverse (122213212233), we get a palindrome (454425524454).

The spelling of 332212312221 in words is "three hundred thirty-two billion, two hundred twelve million, three hundred twelve thousand, two hundred twenty-one".