3342420221 has 8 divisors (see below), whose sum is σ = 3820297344. Its totient is φ = 2864640240.

The previous prime is 3342420203. The next prime is 3342420233. The reversal of 3342420221 is 1220242433.

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

It is a de Polignac number, because none of the positive numbers 2^k-3342420221 is a prime.

It is a super-2 number, since 2×3342420221² = 22343545867499377682, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3342420821) 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, 78416 + ... + 113286.

It is an arithmetic number, because the mean of its divisors is an integer number (477537168).

Almost surely, 2^3342420221 is an apocalyptic number.

It is an amenable number.

3342420221 is a deficient number, since it is larger than the sum of its proper divisors (477877123).

3342420221 is a wasteful number, since it uses less digits than its factorization.

3342420221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48571.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 3342420221 is about 57813.6681157665. The cubic root of 3342420221 is about 1495.1577513130.

Adding to 3342420221 its reverse (1220242433), we get a palindrome (4562662654).

The spelling of 3342420221 in words is "three billion, three hundred forty-two million, four hundred twenty thousand, two hundred twenty-one".