314220221 has 8 divisors (see below), whose sum is σ = 367460544. Its totient is φ = 263067840.

The previous prime is 314220217. The next prime is 314220259. The reversal of 314220221 is 122022413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 314220221 - 2² = 314220217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 314220221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (314220281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 521660 + ... + 522261.

It is an arithmetic number, because the mean of its divisors is an integer number (45932568).

Almost surely, 2^314220221 is an apocalyptic number.

It is an amenable number.

314220221 is a deficient number, since it is larger than the sum of its proper divisors (53240323).

314220221 is a wasteful number, since it uses less digits than its factorization.

314220221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043971.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 314220221 is about 17726.2579525403. The cubic root of 314220221 is about 679.8472991896.

Adding to 314220221 its reverse (122022413), we get a palindrome (436242634).

The spelling of 314220221 in words is "three hundred fourteen million, two hundred twenty thousand, two hundred twenty-one".