314222521 has 2 divisors, whose sum is σ = 314222522. Its totient is φ = 314222520.

The previous prime is 314222501. The next prime is 314222533. The reversal of 314222521 is 125222413.

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., 307125625 + 7096896 = 17525^2 + 2664^2 .

It is a cyclic number.

It is not a de Polignac number, because 314222521 - 2²⁷ = 180004793 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 314222492 and 314222501.

It is not a weakly prime, because it can be changed into another prime (314222501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157111260 + 157111261.

It is an arithmetic number, because the mean of its divisors is an integer number (157111261).

Almost surely, 2^314222521 is an apocalyptic number.

It is an amenable number.

314222521 is a deficient number, since it is larger than the sum of its proper divisors (1).

314222521 is an equidigital number, since it uses as much as digits as its factorization.

314222521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 960, while the sum is 22.

The square root of 314222521 is about 17726.3228279302. The cubic root of 314222521 is about 679.8489579466.

Adding to 314222521 its reverse (125222413), we get a palindrome (439444934).

The spelling of 314222521 in words is "three hundred fourteen million, two hundred twenty-two thousand, five hundred twenty-one".