314140221 has 16 divisors (see below), whose sum is σ = 466547200. Its totient is φ = 208907424.

The previous prime is 314140217. The next prime is 314140231. The reversal of 314140221 is 122041413.

314140221 is a `hidden beast` number, since 31 + 414 + 0 + 221 = 666.

It is not a de Polignac number, because 314140221 - 2² = 314140217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 314140194 and 314140203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (314140231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3181 + ... + 25266.

It is an arithmetic number, because the mean of its divisors is an integer number (29159200).

Almost surely, 2^314140221 is an apocalyptic number.

It is an amenable number.

314140221 is a deficient number, since it is larger than the sum of its proper divisors (152406979).

314140221 is a wasteful number, since it uses less digits than its factorization.

314140221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28865 (or 28859 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 314140221 is about 17724.0012694651. The cubic root of 314140221 is about 679.7895982560.

Adding to 314140221 its reverse (122041413), we get a palindrome (436181634).

The spelling of 314140221 in words is "three hundred fourteen million, one hundred forty thousand, two hundred twenty-one".