344221342 has 4 divisors (see below), whose sum is σ = 516332016. Its totient is φ = 172110670.

The previous prime is 344221337. The next prime is 344221343. The reversal of 344221342 is 243122443.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344221343) 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 as a sum of consecutive naturals, namely, 86055334 + ... + 86055337.

It is an arithmetic number, because the mean of its divisors is an integer number (129083004).

Almost surely, 2^344221342 is an apocalyptic number.

344221342 is a deficient number, since it is larger than the sum of its proper divisors (172110674).

344221342 is a wasteful number, since it uses less digits than its factorization.

344221342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172110673.

The product of its digits is 4608, while the sum is 25.

The square root of 344221342 is about 18553.2030118791. The cubic root of 344221342 is about 700.8298606966.

Adding to 344221342 its reverse (243122443), we get a palindrome (587343785).

The spelling of 344221342 in words is "three hundred forty-four million, two hundred twenty-one thousand, three hundred forty-two".