344142220 has 24 divisors (see below), whose sum is σ = 765211104. Its totient is φ = 129559296.

The previous prime is 344142181. The next prime is 344142241. The reversal of 344142220 is 22241443.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 344142191 and 344142200.

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 in 7 ways as a sum of consecutive naturals, for example, 505752 + ... + 506431.

It is an arithmetic number, because the mean of its divisors is an integer number (31883796).

Almost surely, 2^344142220 is an apocalyptic number.

It is an amenable number.

344142220 is an abundant number, since it is smaller than the sum of its proper divisors (421068884).

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

344142220 is a wasteful number, since it uses less digits than its factorization.

344142220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012209 (or 1012207 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 344142220 is about 18551.0705890523. The cubic root of 344142220 is about 700.7761594850.

Adding to 344142220 its reverse (22241443), we get a palindrome (366383663).

The spelling of 344142220 in words is "three hundred forty-four million, one hundred forty-two thousand, two hundred twenty".