344222401 has 2 divisors, whose sum is σ = 344222402. Its totient is φ = 344222400.

The previous prime is 344222383. The next prime is 344222447. The reversal of 344222401 is 104222443.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 300675600 + 43546801 = 17340^2 + 6599^2 .

It is a cyclic number.

It is not a de Polignac number, because 344222401 - 2¹¹ = 344220353 is a prime.

It is a super-2 number, since 2×344222401² = 236978122700409602, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (344222201) by changing a digit.

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, 172111200 + 172111201.

It is an arithmetic number, because the mean of its divisors is an integer number (172111201).

Almost surely, 2^344222401 is an apocalyptic number.

It is an amenable number.

344222401 is a deficient number, since it is larger than the sum of its proper divisors (1).

344222401 is an equidigital number, since it uses as much as digits as its factorization.

344222401 is an odious number, because the sum of its binary digits is odd.

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

The square root of 344222401 is about 18553.2315514037. The cubic root of 344222401 is about 700.8305793990.

Adding to 344222401 its reverse (104222443), we get a palindrome (448444844).

The spelling of 344222401 in words is "three hundred forty-four million, two hundred twenty-two thousand, four hundred one".