3420221343 has 64 divisors (see below), whose sum is σ = 5900083200. Its totient is φ = 1710092160.

The previous prime is 3420221341. The next prime is 3420221359. The reversal of 3420221343 is 3431220243.

It is not a de Polignac number, because 3420221343 - 2¹ = 3420221341 is a prime.

It is a super-2 number, since 2×3420221343² = 23395828070225447298, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3420221341) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2940280 + ... + 2941442.

It is an arithmetic number, because the mean of its divisors is an integer number (92188800).

Almost surely, 2^3420221343 is an apocalyptic number.

3420221343 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

3420221343 is a deficient number, since it is larger than the sum of its proper divisors (2479861857).

3420221343 is a wasteful number, since it uses less digits than its factorization.

3420221343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1652.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 3420221343 is about 58482.6584809548. The cubic root of 3420221343 is about 1506.6697571584.

Adding to 3420221343 its reverse (3431220243), we get a palindrome (6851441586).

The spelling of 3420221343 in words is "three billion, four hundred twenty million, two hundred twenty-one thousand, three hundred forty-three".