342120422 has 48 divisors (see below), whose sum is σ = 624718080. Its totient is φ = 137623536.

The previous prime is 342120421. The next prime is 342120491. The reversal of 342120422 is 224021243.

It is a junction number, because it is equal to n+sod(n) for n = 342120394 and 342120403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342120421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 702263 + ... + 702749.

It is an arithmetic number, because the mean of its divisors is an integer number (13014960).

Almost surely, 2^342120422 is an apocalyptic number.

342120422 is a deficient number, since it is larger than the sum of its proper divisors (282597658).

342120422 is a wasteful number, since it uses less digits than its factorization.

342120422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673 (or 654 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 342120422 is about 18496.4975603491. The cubic root of 342120422 is about 699.4011354240.

Adding to 342120422 its reverse (224021243), we get a palindrome (566141665).

The spelling of 342120422 in words is "three hundred forty-two million, one hundred twenty thousand, four hundred twenty-two".