14530221 has 12 divisors (see below), whose sum is σ = 21284640. Its totient is φ = 9549960.

The previous prime is 14530213. The next prime is 14530249. The reversal of 14530221 is 12203541.

It is not a de Polignac number, because 14530221 - 2³ = 14530213 is a prime.

It is a super-2 number, since 2×14530221² = 422254644617682, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 14530194 and 14530203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14530211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10731 + ... + 12008.

It is an arithmetic number, because the mean of its divisors is an integer number (1773720).

Almost surely, 2^14530221 is an apocalyptic number.

It is an amenable number.

14530221 is a deficient number, since it is larger than the sum of its proper divisors (6754419).

14530221 is a wasteful number, since it uses less digits than its factorization.

14530221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22816 (or 22813 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 14530221 is about 3811.8526991478. The cubic root of 14530221 is about 244.0192417415.

Adding to 14530221 its reverse (12203541), we get a palindrome (26733762).

The spelling of 14530221 in words is "fourteen million, five hundred thirty thousand, two hundred twenty-one".