12214285 has 8 divisors (see below), whose sum is σ = 14686560. Its totient is φ = 9751824.

The previous prime is 12214273. The next prime is 12214289. The reversal of 12214285 is 58241221.

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

It is a cyclic number.

It is not a de Polignac number, because 12214285 - 2¹¹ = 12212237 is a prime.

It is a super-2 number, since 2×12214285² = 298377516122450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12214289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 646 + ... + 4984.

It is an arithmetic number, because the mean of its divisors is an integer number (1835820).

Almost surely, 2^12214285 is an apocalyptic number.

It is an amenable number.

12214285 is a deficient number, since it is larger than the sum of its proper divisors (2472275).

12214285 is an equidigital number, since it uses as much as digits as its factorization.

12214285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4907.

The product of its digits is 1280, while the sum is 25.

The square root of 12214285 is about 3494.8941328744. The cubic root of 12214285 is about 230.2975669618.

The spelling of 12214285 in words is "twelve million, two hundred fourteen thousand, two hundred eighty-five".