314220443 has 2 divisors, whose sum is σ = 314220444. Its totient is φ = 314220442.

The previous prime is 314220409. The next prime is 314220449. The reversal of 314220443 is 344022413.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-314220443 is a prime.

It is not a weakly prime, because it can be changed into another prime (314220449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157110221 + 157110222.

It is an arithmetic number, because the mean of its divisors is an integer number (157110222).

Almost surely, 2^314220443 is an apocalyptic number.

314220443 is a deficient number, since it is larger than the sum of its proper divisors (1).

314220443 is an equidigital number, since it uses as much as digits as its factorization.

314220443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 314220443 is about 17726.2642144362. The cubic root of 314220443 is about 679.8474592960.

Adding to 314220443 its reverse (344022413), we get a palindrome (658242856).

The spelling of 314220443 in words is "three hundred fourteen million, two hundred twenty thousand, four hundred forty-three".