3420052221 has 8 divisors (see below), whose sum is σ = 4566504160. Its totient is φ = 2276817552.

The previous prime is 3420052127. The next prime is 3420052241. The reversal of 3420052221 is 1222500243.

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

It is not a de Polignac number, because 3420052221 - 2¹¹ = 3420050173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3420052241) 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, 801835 + ... + 806088.

It is an arithmetic number, because the mean of its divisors is an integer number (570813020).

Almost surely, 2^3420052221 is an apocalyptic number.

It is an amenable number.

3420052221 is a deficient number, since it is larger than the sum of its proper divisors (1146451939).

3420052221 is a wasteful number, since it uses less digits than its factorization.

3420052221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1608635.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 3420052221 is about 58481.2125472788. The cubic root of 3420052221 is about 1506.6449229759.

Adding to 3420052221 its reverse (1222500243), we get a palindrome (4642552464).

The spelling of 3420052221 in words is "three billion, four hundred twenty million, fifty-two thousand, two hundred twenty-one".