12214288 has 20 divisors (see below), whose sum is σ = 24694848. Its totient is φ = 5841440.

The previous prime is 12214273. The next prime is 12214289. The reversal of 12214288 is 88241221.

It is a nude number because it is divisible by every one of its digits.

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 3 ways as a sum of consecutive naturals, for example, 16228 + ... + 16963.

Almost surely, 2^12214288 is an apocalyptic number.

It is an amenable number.

12214288 is an abundant number, since it is smaller than the sum of its proper divisors (12480560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12214288 is a wasteful number, since it uses less digits than its factorization.

12214288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33222 (or 33216 counting only the distinct ones).

The product of its digits is 2048, while the sum is 28.

The square root of 12214288 is about 3494.8945620719. The cubic root of 12214288 is about 230.2975858166.

The spelling of 12214288 in words is "twelve million, two hundred fourteen thousand, two hundred eighty-eight".