342315220 has 48 divisors (see below), whose sum is σ = 775651968. Its totient is φ = 126149760.

The previous prime is 342315199. The next prime is 342315221. The reversal of 342315220 is 22513243.

It is a junction number, because it is equal to n+sod(n) for n = 342315191 and 342315200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342315221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188115 + ... + 189925.

It is an arithmetic number, because the mean of its divisors is an integer number (16159416).

Almost surely, 2^342315220 is an apocalyptic number.

It is an amenable number.

342315220 is an abundant number, since it is smaller than the sum of its proper divisors (433336748).

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

342315220 is a wasteful number, since it uses less digits than its factorization.

342315220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2560 (or 2558 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 342315220 is about 18501.7626187345. The cubic root of 342315220 is about 699.5338529155.

Adding to 342315220 its reverse (22513243), we get a palindrome (364828463).

The spelling of 342315220 in words is "three hundred forty-two million, three hundred fifteen thousand, two hundred twenty".