344223404 has 24 divisors (see below), whose sum is σ = 690025728. Its totient is φ = 147186000.

The previous prime is 344223403. The next prime is 344223409. The reversal of 344223404 is 404322443.

It is a super-2 number, since 2×344223404² = 236979503722694432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (344223401) 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 in 7 ways as a sum of consecutive naturals, for example, 1472 + ... + 26279.

It is an arithmetic number, because the mean of its divisors is an integer number (28751072).

Almost surely, 2^344223404 is an apocalyptic number.

It is an amenable number.

344223404 is an abundant number, since it is smaller than the sum of its proper divisors (345802324).

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

344223404 is a wasteful number, since it uses less digits than its factorization.

344223404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28205 (or 28203 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

The square root of 344223404 is about 18553.2585817155. The cubic root of 344223404 is about 700.8312600950.

Adding to 344223404 its reverse (404322443), we get a palindrome (748545847).

The spelling of 344223404 in words is "three hundred forty-four million, two hundred twenty-three thousand, four hundred four".