343421332234220 has 24 divisors (see below), whose sum is σ = 721185245172000. Its totient is φ = 137368447659392.

The previous prime is 343421332234207. The next prime is 343421332234229. The reversal of 343421332234220 is 22432233124343.

It is a super-2 number, since 2×343421332234220² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (343421332234229) 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, 35250536 + ... + 43925424.

It is an arithmetic number, because the mean of its divisors is an integer number (30049385215500).

Almost surely, 2^{343421332234220} is an apocalyptic number.

It is an amenable number.

343421332234220 is an abundant number, since it is smaller than the sum of its proper divisors (377763912937780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

343421332234220 is a wasteful number, since it uses less digits than its factorization.

343421332234220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10654297 (or 10654295 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 38.

Adding to 343421332234220 its reverse (22432233124343), we get a palindrome (365853565358563).

The spelling of 343421332234220 in words is "three hundred forty-three trillion, four hundred twenty-one billion, three hundred thirty-two million, two hundred thirty-four thousand, two hundred twenty".