221223314 has 8 divisors (see below), whose sum is σ = 357360780. Its totient is φ = 102103056.

The previous prime is 221223311. The next prime is 221223323. The reversal of 221223314 is 413322122.

It can be written as a sum of positive squares in 2 ways, for example, as 216237025 + 4986289 = 14705^2 + 2233^2 .

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

It is not an unprimeable number, because it can be changed into a prime (221223311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4254269 + ... + 4254320.

Almost surely, 2^221223314 is an apocalyptic number.

221223314 is a deficient number, since it is larger than the sum of its proper divisors (136137466).

221223314 is a wasteful number, since it uses less digits than its factorization.

221223314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8508604.

The product of its digits is 576, while the sum is 20.

The square root of 221223314 is about 14873.5777135160. The cubic root of 221223314 is about 604.7979326545.

Adding to 221223314 its reverse (413322122), we get a palindrome (634545436).

The spelling of 221223314 in words is "two hundred twenty-one million, two hundred twenty-three thousand, three hundred fourteen".