3420341221 has 8 divisors (see below), whose sum is σ = 3927664800. Its totient is φ = 2945748240.

The previous prime is 3420341209. The next prime is 3420341227. The reversal of 3420341221 is 1221430243.

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 3420341221 - 2¹¹ = 3420339173 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3420341192 and 3420341201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3420341227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8182426 + ... + 8182843.

It is an arithmetic number, because the mean of its divisors is an integer number (490958100).

Almost surely, 2^3420341221 is an apocalyptic number.

It is an amenable number.

3420341221 is a deficient number, since it is larger than the sum of its proper divisors (507323579).

3420341221 is a wasteful number, since it uses less digits than its factorization.

3420341221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16365299.

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

The square root of 3420341221 is about 58483.6833740831. The cubic root of 3420341221 is about 1506.6873597664.

Adding to 3420341221 its reverse (1221430243), we get a palindrome (4641771464).

The spelling of 3420341221 in words is "three billion, four hundred twenty million, three hundred forty-one thousand, two hundred twenty-one".