14512221 has 12 divisors (see below), whose sum is σ = 21228480. Its totient is φ = 9551880.

The previous prime is 14512217. The next prime is 14512229. The reversal of 14512221 is 12221541.

It is not a de Polignac number, because 14512221 - 2² = 14512217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 14512194 and 14512203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14512229) 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, 9495 + ... + 10916.

It is an arithmetic number, because the mean of its divisors is an integer number (1769040).

Almost surely, 2^14512221 is an apocalyptic number.

It is an amenable number.

14512221 is a deficient number, since it is larger than the sum of its proper divisors (6716259).

14512221 is a wasteful number, since it uses less digits than its factorization.

14512221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20496 (or 20493 counting only the distinct ones).

The product of its digits is 160, while the sum is 18.

The square root of 14512221 is about 3809.4909108699. The cubic root of 14512221 is about 243.9184366370.

Adding to 14512221 its reverse (12221541), we get a palindrome (26733762).

The spelling of 14512221 in words is "fourteen million, five hundred twelve thousand, two hundred twenty-one".