314447219 has 2 divisors, whose sum is σ = 314447220. Its totient is φ = 314447218.

The previous prime is 314447197. The next prime is 314447227. The reversal of 314447219 is 912744413.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 314447219 - 2⁸ = 314446963 is a prime.

It is a super-2 number, since 2×314447219² = 197754107073667922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (314447269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157223609 + 157223610.

It is an arithmetic number, because the mean of its divisors is an integer number (157223610).

Almost surely, 2^314447219 is an apocalyptic number.

314447219 is a deficient number, since it is larger than the sum of its proper divisors (1).

314447219 is an equidigital number, since it uses as much as digits as its factorization.

314447219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 35.

The square root of 314447219 is about 17732.6596707882. The cubic root of 314447219 is about 680.0109708438.

The spelling of 314447219 in words is "three hundred fourteen million, four hundred forty-seven thousand, two hundred nineteen".