344220619 has 2 divisors, whose sum is σ = 344220620. Its totient is φ = 344220618.

The previous prime is 344220593. The next prime is 344220649. The reversal of 344220619 is 916022443.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 344220619 - 2⁷ = 344220491 is a prime.

It is a super-2 number, since 2×344220619² = 236975669089486322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (344220649) 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, 172110309 + 172110310.

It is an arithmetic number, because the mean of its divisors is an integer number (172110310).

Almost surely, 2^344220619 is an apocalyptic number.

344220619 is a deficient number, since it is larger than the sum of its proper divisors (1).

344220619 is an equidigital number, since it uses as much as digits as its factorization.

344220619 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 344220619 is about 18553.1835273626. The cubic root of 344220619 is about 700.8293700237.

The spelling of 344220619 in words is "three hundred forty-four million, two hundred twenty thousand, six hundred nineteen".