221204314 has 4 divisors (see below), whose sum is σ = 331806474. Its totient is φ = 110602156.

The previous prime is 221204309. The next prime is 221204339. The reversal of 221204314 is 413402122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 159188689 + 62015625 = 12617^2 + 7875^2 .

It is a junction number, because it is equal to n+sod(n) for n = 221204291 and 221204300.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55301077 + ... + 55301080.

Almost surely, 2^221204314 is an apocalyptic number.

221204314 is a deficient number, since it is larger than the sum of its proper divisors (110602160).

221204314 is a wasteful number, since it uses less digits than its factorization.

221204314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110602159.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 221204314 is about 14872.9389832676. The cubic root of 221204314 is about 604.7806175872.

Adding to 221204314 its reverse (413402122), we get a palindrome (634606436).

The spelling of 221204314 in words is "two hundred twenty-one million, two hundred four thousand, three hundred fourteen".