3342212221 has 4 divisors (see below), whose sum is σ = 3342969244. Its totient is φ = 3341455200.

The previous prime is 3342212219. The next prime is 3342212227. The reversal of 3342212221 is 1222122433.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1222122433 = 7 ⋅174588919.

It can be written as a sum of positive squares in 2 ways, for example, as 2498600196 + 843612025 = 49986^2 + 29045^2 .

It is a cyclic number.

It is not a de Polignac number, because 3342212221 - 2¹ = 3342212219 is a prime.

It is a super-2 number, since 2×3342212221² = 22340765060403505682, 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 = 3342212192 and 3342212201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3342212227) 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, 371850 + ... + 380731.

It is an arithmetic number, because the mean of its divisors is an integer number (835742311).

Almost surely, 2^3342212221 is an apocalyptic number.

It is an amenable number.

3342212221 is a deficient number, since it is larger than the sum of its proper divisors (757023).

3342212221 is an equidigital number, since it uses as much as digits as its factorization.

3342212221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757022.

The product of its digits is 1152, while the sum is 22.

The square root of 3342212221 is about 57811.8692052073. The cubic root of 3342212221 is about 1495.1267359366.

Adding to 3342212221 its reverse (1222122433), we get a palindrome (4564334654).

It can be divided in two parts, 3342212 and 221, that added together give a palindrome (3342433).

The spelling of 3342212221 in words is "three billion, three hundred forty-two million, two hundred twelve thousand, two hundred twenty-one".