14248221 has 24 divisors (see below), whose sum is σ = 20818080. Its totient is φ = 8663616.

The previous prime is 14248217. The next prime is 14248243. The reversal of 14248221 is 12284241.

It is not a de Polignac number, because 14248221 - 2² = 14248217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 14248191 and 14248200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14248211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79510 + ... + 79688.

It is an arithmetic number, because the mean of its divisors is an integer number (867420).

Almost surely, 2^14248221 is an apocalyptic number.

It is an amenable number.

14248221 is a deficient number, since it is larger than the sum of its proper divisors (6569859).

14248221 is a wasteful number, since it uses less digits than its factorization.

14248221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365 (or 352 counting only the distinct ones).

The product of its digits is 1024, while the sum is 24.

The square root of 14248221 is about 3774.6815759743. The cubic root of 14248221 is about 242.4302899497.

The spelling of 14248221 in words is "fourteen million, two hundred forty-eight thousand, two hundred twenty-one".