3332312221 has 4 divisors (see below), whose sum is σ = 3808356832. Its totient is φ = 2856267612.

The previous prime is 3332312213. The next prime is 3332312237. The reversal of 3332312221 is 1222132333.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1222132333 = 263 ⋅4646891.

It is a cyclic number.

It is not a de Polignac number, because 3332312221 - 2³ = 3332312213 is a prime.

It is a super-2 number, since 2×3332312221² = 22208609476451905682, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3332312192 and 3332312201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3332372221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238022295 + ... + 238022308.

It is an arithmetic number, because the mean of its divisors is an integer number (952089208).

Almost surely, 2^3332312221 is an apocalyptic number.

It is an amenable number.

3332312221 is a deficient number, since it is larger than the sum of its proper divisors (476044611).

3332312221 is an equidigital number, since it uses as much as digits as its factorization.

3332312221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476044610.

The product of its digits is 1296, while the sum is 22.

The square root of 3332312221 is about 57726.1831494167. The cubic root of 3332312221 is about 1493.6490326857.

Adding to 3332312221 its reverse (1222132333), we get a palindrome (4554444554).

The spelling of 3332312221 in words is "three billion, three hundred thirty-two million, three hundred twelve thousand, two hundred twenty-one".