342420224 has 54 divisors (see below), whose sum is σ = 695755116. Its totient is φ = 168192000.

The previous prime is 342420209. The next prime is 342420229. The reversal of 342420224 is 422024243.

It is a self number, because there is not a number n which added to its sum of digits gives 342420224.

It is not an unprimeable number, because it can be changed into a prime (342420229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1364099 + ... + 1364349.

It is an arithmetic number, because the mean of its divisors is an integer number (12884354).

Almost surely, 2^342420224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 342420224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (347877558).

342420224 is an abundant number, since it is smaller than the sum of its proper divisors (353334892).

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

342420224 is an frugal number, since it uses more digits than its factorization.

342420224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413 (or 326 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 342420224 is about 18504.6000767377. The cubic root of 342420224 is about 699.6053721265.

Adding to 342420224 its reverse (422024243), we get a palindrome (764444467).

The spelling of 342420224 in words is "three hundred forty-two million, four hundred twenty thousand, two hundred twenty-four".