314504221 has 4 divisors (see below), whose sum is σ = 318812572. Its totient is φ = 310195872.

The previous prime is 314504209. The next prime is 314504237. The reversal of 314504221 is 122405413.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 185340996 + 129163225 = 13614^2 + 11365^2 .

It is a cyclic number.

It is not a de Polignac number, because 314504221 - 2⁵ = 314504189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 314504192 and 314504201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (314504251) 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 in 3 ways as a sum of consecutive naturals, for example, 2154066 + ... + 2154211.

It is an arithmetic number, because the mean of its divisors is an integer number (79703143).

Almost surely, 2^314504221 is an apocalyptic number.

It is an amenable number.

314504221 is a deficient number, since it is larger than the sum of its proper divisors (4308351).

314504221 is an equidigital number, since it uses as much as digits as its factorization.

314504221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4308350.

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

The square root of 314504221 is about 17734.2668582606. The cubic root of 314504221 is about 680.0520584424.

Adding to 314504221 its reverse (122405413), we get a palindrome (436909634).

The spelling of 314504221 in words is "three hundred fourteen million, five hundred four thousand, two hundred twenty-one".