342012422 has 4 divisors (see below), whose sum is σ = 513018636. Its totient is φ = 171006210.

The previous prime is 342012413. The next prime is 342012449. The reversal of 342012422 is 224210243.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 342012394 and 342012403.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 85503104 + ... + 85503107.

It is an arithmetic number, because the mean of its divisors is an integer number (128254659).

Almost surely, 2^342012422 is an apocalyptic number.

342012422 is a deficient number, since it is larger than the sum of its proper divisors (171006214).

342012422 is a wasteful number, since it uses less digits than its factorization.

342012422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171006213.

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

The square root of 342012422 is about 18493.5778582729. The cubic root of 342012422 is about 699.3275324201.

Adding to 342012422 its reverse (224210243), we get a palindrome (566222665).

The spelling of 342012422 in words is "three hundred forty-two million, twelve thousand, four hundred twenty-two".