221314203 has 18 divisors (see below), whose sum is σ = 351381212. Its totient is φ = 134129160.

The previous prime is 221314189. The next prime is 221314217. The reversal of 221314203 is 302413122.

It is an interprime number because it is at equal distance from previous prime (221314189) and next prime (221314217).

It is not a de Polignac number, because 221314203 - 2⁶ = 221314139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221314243) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 100525 + ... + 102702.

Almost surely, 2^221314203 is an apocalyptic number.

221314203 is a deficient number, since it is larger than the sum of its proper divisors (130067009).

221314203 is a wasteful number, since it uses less digits than its factorization.

221314203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203255 (or 203241 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 221314203 is about 14876.6327843366. The cubic root of 221314203 is about 604.8807478455.

Adding to 221314203 its reverse (302413122), we get a palindrome (523727325).

The spelling of 221314203 in words is "two hundred twenty-one million, three hundred fourteen thousand, two hundred three".