344222340 has 96 divisors (see below), whose sum is σ = 1201665024. Its totient is φ = 71525760.

The previous prime is 344222339. The next prime is 344222371. The reversal of 344222340 is 43222443.

It is a self number, because there is not a number n which added to its sum of digits gives 344222340.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32634 + ... + 41873.

It is an arithmetic number, because the mean of its divisors is an integer number (12517344).

Almost surely, 2^344222340 is an apocalyptic number.

344222340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

344222340 is an abundant number, since it is smaller than the sum of its proper divisors (857442684).

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

344222340 is a wasteful number, since it uses less digits than its factorization.

344222340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74537 (or 74535 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 344222340 is about 18553.2299074851. The cubic root of 344222340 is about 700.8305380007.

Adding to 344222340 its reverse (43222443), we get a palindrome (387444783).

The spelling of 344222340 in words is "three hundred forty-four million, two hundred twenty-two thousand, three hundred forty".