221396314 has 8 divisors (see below), whose sum is σ = 332408340. Its totient is φ = 110593536.

The previous prime is 221396309. The next prime is 221396323. The reversal of 221396314 is 413693122.

It can be written as a sum of positive squares in 2 ways, for example, as 189530289 + 31866025 = 13767^2 + 5645^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49639 + ... + 53914.

Almost surely, 2^221396314 is an apocalyptic number.

221396314 is a deficient number, since it is larger than the sum of its proper divisors (111012026).

221396314 is a wasteful number, since it uses less digits than its factorization.

221396314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104624.

The product of its digits is 7776, while the sum is 31.

The square root of 221396314 is about 14879.3922590945. The cubic root of 221396314 is about 604.9555453072.

The spelling of 221396314 in words is "two hundred twenty-one million, three hundred ninety-six thousand, three hundred fourteen".