314544221 has 4 divisors (see below), whose sum is σ = 331099200. Its totient is φ = 297989244.

The previous prime is 314544211. The next prime is 314544247. The reversal of 314544221 is 122445413.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 314544221 - 2⁶ = 314544157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (314544211) 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, 8277461 + ... + 8277498.

It is an arithmetic number, because the mean of its divisors is an integer number (82774800).

Almost surely, 2^314544221 is an apocalyptic number.

It is an amenable number.

314544221 is a deficient number, since it is larger than the sum of its proper divisors (16554979).

314544221 is a wasteful number, since it uses less digits than its factorization.

314544221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16554978.

The product of its digits is 3840, while the sum is 26.

The square root of 314544221 is about 17735.3945825854. The cubic root of 314544221 is about 680.0808878691.

Adding to 314544221 its reverse (122445413), we get a palindrome (436989634).

The spelling of 314544221 in words is "three hundred fourteen million, five hundred forty-four thousand, two hundred twenty-one".