8614221 has 32 divisors (see below), whose sum is σ = 14515200. Its totient is φ = 4414080.

The previous prime is 8614181. The next prime is 8614231. The reversal of 8614221 is 1224168.

It is not a de Polignac number, because 8614221 - 2⁶ = 8614157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8614191 and 8614200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8614231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20350 + ... + 20768.

It is an arithmetic number, because the mean of its divisors is an integer number (453600).

Almost surely, 2^8614221 is an apocalyptic number.

It is an amenable number.

8614221 is a deficient number, since it is larger than the sum of its proper divisors (5900979).

8614221 is a wasteful number, since it uses less digits than its factorization.

8614221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529.

The product of its digits is 768, while the sum is 24.

The square root of 8614221 is about 2934.9993185689. Note that the first 3 decimals coincide. The cubic root of 8614221 is about 204.9928294141.

Adding to 8614221 its reverse (1224168), we get a palindrome (9838389).

The spelling of 8614221 in words is "eight million, six hundred fourteen thousand, two hundred twenty-one".