314522221 has 4 divisors (see below), whose sum is σ = 338716252. Its totient is φ = 290328192.

The previous prime is 314522213. The next prime is 314522233. The reversal of 314522221 is 122225413.

It is a happy number.

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 179265321 + 135256900 = 13389^2 + 11630^2 .

It is a cyclic number.

It is not a de Polignac number, because 314522221 - 2³ = 314522213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 314522192 and 314522201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (314522821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12096996 + ... + 12097021.

It is an arithmetic number, because the mean of its divisors is an integer number (84679063).

Almost surely, 2^314522221 is an apocalyptic number.

It is an amenable number.

314522221 is a deficient number, since it is larger than the sum of its proper divisors (24194031).

314522221 is a wasteful number, since it uses less digits than its factorization.

314522221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24194030.

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

The square root of 314522221 is about 17734.7743430809. The cubic root of 314522221 is about 680.0650319869.

Adding to 314522221 its reverse (122225413), we get a palindrome (436747634).

The spelling of 314522221 in words is "three hundred fourteen million, five hundred twenty-two thousand, two hundred twenty-one".