221430014 has 8 divisors (see below), whose sum is σ = 357694680. Its totient is φ = 102198456.

The previous prime is 221430007. The next prime is 221430023. The reversal of 221430014 is 410034122.

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

It is a super-2 number, since 2×221430014² = 98062502200080392, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 221429974 and 221430001.

It is a congruent number.

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, 4258244 + ... + 4258295.

It is an arithmetic number, because the mean of its divisors is an integer number (44711835).

Almost surely, 2^221430014 is an apocalyptic number.

221430014 is a deficient number, since it is larger than the sum of its proper divisors (136264666).

221430014 is a wasteful number, since it uses less digits than its factorization.

221430014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8516554.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 221430014 is about 14880.5246547291. The cubic root of 221430014 is about 604.9862383319.

Adding to 221430014 its reverse (410034122), we get a palindrome (631464136).

The spelling of 221430014 in words is "two hundred twenty-one million, four hundred thirty thousand, fourteen".