314223289 has 2 divisors, whose sum is σ = 314223290. Its totient is φ = 314223288.

The previous prime is 314223253. The next prime is 314223293. The reversal of 314223289 is 982322413.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 235315600 + 78907689 = 15340^2 + 8883^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-314223289 is a prime.

It is equal to p_16980361 and since 314223289 and 16980361 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (314223229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157111644 + 157111645.

It is an arithmetic number, because the mean of its divisors is an integer number (157111645).

Almost surely, 2^314223289 is an apocalyptic number.

It is an amenable number.

314223289 is a deficient number, since it is larger than the sum of its proper divisors (1).

314223289 is an equidigital number, since it uses as much as digits as its factorization.

314223289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 34.

The square root of 314223289 is about 17726.3444906162. The cubic root of 314223289 is about 679.8495118254.

The spelling of 314223289 in words is "three hundred fourteen million, two hundred twenty-three thousand, two hundred eighty-nine".