342221244 has 12 divisors (see below), whose sum is σ = 798516264. Its totient is φ = 114073744.

The previous prime is 342221233. The next prime is 342221249. The reversal of 342221244 is 442122243.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342221249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14259207 + ... + 14259230.

It is an arithmetic number, because the mean of its divisors is an integer number (66543022).

Almost surely, 2^342221244 is an apocalyptic number.

It is an amenable number.

342221244 is an abundant number, since it is smaller than the sum of its proper divisors (456295020).

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

342221244 is a wasteful number, since it uses less digits than its factorization.

342221244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28518444 (or 28518442 counting only the distinct ones).

The product of its digits is 3072, while the sum is 24.

The square root of 342221244 is about 18499.2227944852. Note that the first 3 decimals coincide. The cubic root of 342221244 is about 699.4698325757.

Adding to 342221244 its reverse (442122243), we get a palindrome (784343487).

Subtracting 342221244 from its reverse (442122243), we obtain a palindrome (99900999).

The spelling of 342221244 in words is "three hundred forty-two million, two hundred twenty-one thousand, two hundred forty-four".